# Rewilding

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{{Short description|Restoring of wilderness environments}}
{{For-multi|the green anarchist approach to human living|Rewilding (anarchism)|other topics|Rewilding (disambiguation)}}
{{Use dmy dates|date=July 2023}}
[[File:Longhorn cattle freeranging at Knepp Wildland.jpg|thumb|right|[Longhorn cattle](/source/English_Longhorn) at [Knepp Wildland](/source/Knepp_Wildland) in 2019]]
'''Rewilding''' is a form of [ecological restoration](/source/ecological_restoration) aimed at increasing [biodiversity](/source/biodiversity) and restoring natural processes. It differs from other forms of ecological restoration in that rewilding aspires to reduce [human influence on ecosystems](/source/Human_impact_on_the_environment).<ref>{{Citation |last1=Sandom |first1=Chris |title=Rewilding |date=2013-04-15 |work=Key Topics in Conservation Biology 2 |pages=430–451 |editor-last=Macdonald |editor-first=David W. |url=https://onlinelibrary.wiley.com/doi/10.1002/9781118520178.ch23 |access-date=2024-03-29 |edition=1 |publisher=Wiley |language=en |doi=10.1002/9781118520178.ch23 |isbn=978-0-470-65876-5 |last2=Donlan |first2=C. Josh |last3=Svenning |first3=Jens-Christian |last4=Hansen |first4=Dennis |editor2-last=Willis |editor2-first=Katherine J.|url-access=subscription }}</ref> It is also distinct from other forms of restoration in that, while it places emphasis on recovering geographically specific sets of ecological interactions and functions that would have maintained ecosystems prior to human influence, rewilding is open to novel or emerging ecosystems which encompass new species and new interactions.<ref name="Carver2021">{{cite journal |last1=Carver |first1=Steve |display-authors=etal |date=2021 |title=Guiding principles for rewilding |journal=Conservation Biology |volume=35 |issue=6 |pages=1882–1893 |bibcode=2021ConBi..35.1882C |doi=10.1111/cobi.13730 |pmid=33728690 |s2cid=232263088 |doi-access=free}}</ref><ref>{{Cite journal |last=Svenning |first=Jens-Christian |date=December 2020 |title=Rewilding should be central to global restoration efforts |journal=One Earth |volume=3 |issue=6 |pages=657–660 |doi=10.1016/j.oneear.2020.11.014 |bibcode=2020OEart...3..657S |issn=2590-3322|doi-access=free }}</ref>

A key feature of rewilding is its focus on replacing human interventions with natural processes. Rewilding enables the return of intact, large mammal assemblages, to promote the restoration of [trophic](/source/trophic_level) networks.<ref name="Joris P. G. M 2017">{{Cite journal |last1=Cromsigt |first1=Joris P. G. M. |last2=te Beest |first2=Mariska |last3=Kerley |first3=Graham I. H. |last4=Landman |first4=Marietjie |last5=le Roux |first5=Elizabeth |last6=Smith |first6=Felisa A. |date=2018-12-05 |title=Trophic rewilding as a climate change mitigation strategy? |journal=Philosophical Transactions of the Royal Society B: Biological Sciences |language=en |volume=373 |issue=1761 |article-number=20170440 |doi=10.1098/rstb.2017.0440 |issn=0962-8436 |pmc=6231077 |pmid=30348867}}</ref> This mechanism of rewilding is a process of restoring natural processes by introducing or re-introducing large mammals to promote resilient, self-regulating, and self-sustaining ecosystems.<ref name="Joris P. G. M 2017"/><ref>{{Cite journal |last1=Bakker |first1=Elisabeth S. |last2=Svenning |first2=Jens-Christian |date=2018-12-05 |title=Trophic rewilding: impact on ecosystems under global change |journal=Philosophical Transactions of the Royal Society B: Biological Sciences |language=en |volume=373 |issue=1761 |article-number=20170432 |doi=10.1098/rstb.2017.0432 |issn=0962-8436 |pmc=6231072 |pmid=30348876}}</ref> Large mammals can influence ecosystems by altering [biogeochemical](/source/Biogeochemistry) pathways as they contribute to unique ecological roles, they are [landscape engineers](/source/Ecosystem_engineer) that aid in shaping the structure and composition of natural [habitat](/source/habitat)s.<ref>{{Cite journal |last1=Lundgren |first1=Erick J. |last2=Ramp |first2=Daniel |last3=Ripple |first3=William J. |last4=Wallach |first4=Arian D. |date=June 2018 |title=Introduced megafauna are rewilding the Anthropocene |url=https://onlinelibrary.wiley.com/doi/10.1111/ecog.03430 |journal=Ecography |language=en |volume=41 |issue=6 |pages=857–866 |doi=10.1111/ecog.03430 |bibcode=2018Ecogr..41..857L |issn=0906-7590|url-access=subscription }}</ref><ref>{{Cite journal |last1=Athumani |first1=Paulo C. |last2=Munishi |first2=Linus K. |last3=Ngondya |first3=Issakwisa B. |date=January 2023 |title=Reconstructing Historical Distribution of Large Mammals and their Habitat to Inform Rewilding and Restoration in Central Tanzania |url=http://journals.sagepub.com/doi/10.1177/19400829231166832 |journal=Tropical Conservation Science |language=en |volume=16 |page=194008292311668 |doi=10.1177/19400829231166832 |issn=1940-0829|url-access=subscription }}</ref> Rewilding projects are often part of programs for habitat restoration and [conservation biology](/source/conservation_biology), and should be based on sound socio-ecological theory and evidence.<ref>{{Cite journal |last=Svenning |first=Jens-Christian |date=December 2020 |title=Rewilding should be central to global restoration efforts |journal=One Earth |language=en |volume=3 |issue=6 |pages=657–660 |doi=10.1016/j.oneear.2020.11.014|bibcode=2020OEart...3..657S |doi-access=free }}</ref>

While rewilding initiatives can be controversial, the [United Nations](/source/United_Nations) has listed rewilding as one of several methods needed to achieve massive scale restoration of natural ecosystems, which they say must be accomplished by 2030<ref name="Greenfield">{{cite news |last1=Greenfield |first1=Patrick |title=World must rewild on massive scale to heal nature and climate, says UN |url=https://www.theguardian.com/environment/2021/jun/03/rewild-on-massive-scale-to-heal-nature-and-climate-says-un-decade-on-ecosystem-restoration-aoe |access-date=1 June 2022 |work=The Guardian |location=London |date=3 June 2021 |language=en |archive-date=5 June 2021 |archive-url=https://web.archive.org/web/20210605063145/https://www.theguardian.com/environment/2021/jun/03/rewild-on-massive-scale-to-heal-nature-and-climate-says-un-decade-on-ecosystem-restoration-aoe |url-status=live}}</ref> as part of the [30x30](/source/30x30) campaign.<ref name="Jepson">{{cite journal |last1=Jepson |first1=Paul |date=18 May 2022 |title=The creative way to pay for wildlife recovery |url=https://knowablemagazine.org/article/living-world/2022/creative-way-pay-wildlife-recovery |journal=Knowable Magazine |doi=10.1146/knowable-051822-1 |access-date=31 May 2022 |doi-access=free |archive-date=31 May 2022 |archive-url=https://web.archive.org/web/20220531191415/https://knowablemagazine.org/article/living-world/2022/creative-way-pay-wildlife-recovery |url-status=live|url-access=subscription }}</ref>

==Origin==
The term ''rewilding'' was coined by members of the grassroots network [Earth First!](/source/Earth_First!), first appearing in print in 1990.<ref name="Foote">{{cite news |last1=Foote |first1=Jennifer |title=Trying to Take Back the Planet |work=Newsweek |date=5 February 1990}}</ref> It was refined and grounded in a scientific context in a paper published in 1998 by conservation biologists [Michael Soulé](/source/Michael_E._Soul%C3%A9) and [Reed Noss](/source/Reed_Noss).<ref name="MSRN1998" /> Soulé and Noss envisaged rewilding as a conservation method based on the concept of 'cores, corridors, and carnivores'.<ref name="MSRN2" /> The key components of rewilding incorporate large core [protected area](/source/protected_area)s, [keystone species](/source/keystone_species), and [ecological connectivity](/source/Landscape_connectivity) based on the theory that large [predators](/source/Predation) play regulatory roles in ecosystems.<ref>{{Cite journal |last1=Wolf |first1=Christopher |last2=Ripple |first2=William J. |date=March 2018 |title=Rewilding the world's large carnivores |journal=Royal Society Open Science |language=en |volume=5 |issue=3 |article-number=172235 |doi=10.1098/rsos.172235  |doi-access=free|issn=2054-5703 |pmc=5882739 |pmid=29657815|bibcode=2018RSOS....572235W }}</ref> '3Cs' rewilding therefore relied on protecting 'core' areas of wild land, linked together by '[corridors](/source/Wildlife_corridor)' allowing passage for 'carnivores' to move around the landscape and perform their functional role'''.<ref>{{Cite journal |last1=Sweeney |first1=Oisín F. |last2=Turnbull |first2=John |last3=Jones |first3=Menna |last4=Letnic |first4=Mike |last5=Newsome |first5=Thomas M. |last6=Sharp |first6=Andy |date=August 2019 |title=An Australian perspective on rewilding |url=https://conbio.onlinelibrary.wiley.com/doi/10.1111/cobi.13280 |journal=Conservation Biology |language=en |volume=33 |issue=4 |pages=812–820 |doi=10.1111/cobi.13280 |pmid=30693968 |bibcode=2019ConBi..33..812S |issn=0888-8892}}</ref>''' Inside these cores, human development, especially the building of [road](/source/road)s, is strictly limited. [National park](/source/National_park)s and wilderness reserves are the most common types of 'core' areas. Soulé and fellow biologist [John Terbough](/source/John_Terborgh) expanded on the concept of corridors in their book ''Continental Conservation''. They determined that one size does not fit all: narrow, linear corridors might work for some smaller species, but if conservationists wanted to encourage the movement of large carnivores, they needed to make corridors wide enough to allow for daily and seasonal movement of both [herd](/source/herd)s of prey and packs of their predators.<ref name="RTW"/> The '3Cs' concept was developed further in 1999<ref name="Carver2">{{cite journal |last1=Carver |first1=Steve |date=2016 |title=Rewilding... conservation and conflict |url=https://www.ecos.org.uk/wp-content/uploads/2016/08/ECOS-37-2-2-Rewilding.-conservation-and-conflict.pdf |journal=ECOS |volume=37 |issue=2 |access-date=1 June 2022}}</ref> and Earth First co-founder, [Dave Foreman](/source/David_Foreman), subsequently wrote a full-length book on rewilding as a conservation strategy.<ref>{{cite journal |last1=Petersen |first1=David |date=2005 |title=Book Review: ''Rewilding North America'' |url=https://bloomsburyreview.com/Archives/2005/Rewilding%20North%20America.pdf |url-status=live |journal=Bloomsbury Review |volume=25 |issue=3 |archive-url=https://web.archive.org/web/20230411210141/https://bloomsburyreview.com/Archives/2005/Rewilding%20North%20America.pdf |archive-date=11 April 2023 |access-date=3 April 2023}}</ref>

==History==
Rewilding was developed as a method to preserve functional [ecosystems](/source/ecosystems) and reduce [biodiversity loss](/source/Holocene_extinction), incorporating research in [island biogeography](/source/island_biogeography) and the ecological role of large [carnivores](/source/carnivores).<ref name="stolzenburg2008" /> In 1967, ''[The Theory of Island Biogeography](/source/The_Theory_of_Island_Biogeography)'' by [Robert H. MacArthur](/source/Robert_H._MacArthur) and [Edward O. Wilson](/source/Edward_O._Wilson) established the importance of considering the size and fragmentation of wildlife conservation areas, stating that protected species and areas remained vulnerable to [extinction](/source/extinction)s if populations were small and isolated.<ref name="RMEW1967" /> In 1987, William D. Newmark's study of extinctions in national parks in North America added weight to the theory.<ref name="newmark1987" /> The publications intensified debates on conservation approaches.<ref name="DQ1996" /> With the creation of the [Society for Conservation Biology](/source/Society_for_Conservation_Biology) in 1985, conservationists began to focus on reducing habitat loss and fragmentation.<ref name="quammen2" />

Supporters of rewilding initiatives range from individuals, small land owners, local [non-governmental organization](/source/non-governmental_organization)s and [authorities](/source/Local_government), to national governments and international non-governmental organizations such as the [International Union for Conservation of Nature](/source/International_Union_for_Conservation_of_Nature). While rewilding efforts can be well regarded, the increased popularity of rewilding has generated controversy, especially in relation to large-scale projects. These have sometimes attracted criticism from academics and practicing conservationists, as well as government officials and business people.<ref>{{cite web |url=https://www.unenvironment.org/news-and-stories/story/rewilding-londons-urban-spaces |title=Rewilding London's urban spaces |publisher=[United Nations Environment Programme](/source/United_Nations_Environment_Programme) |author=UNEP staffers |date=December 2019 |access-date=30 November 2020 |archive-date=28 April 2020 |archive-url=https://web.archive.org/web/20200428181340/https://www.unenvironment.org/news-and-stories/story/rewilding-londons-urban-spaces |url-status=live}}</ref><ref>{{cite web |author=Morss |first=Alex |date=24 February 2020 |title=The race to rewild |url=https://ecohustler.com/nature/the-race-to-rewild/ |access-date=30 November 2020 |website=Ecohustler |archive-date=27 November 2020 |archive-url=https://web.archive.org/web/20201127045247/https://ecohustler.com/nature/the-race-to-rewild/ |url-status=live}}</ref><ref name = "Rewilding">{{cite book |editor3-first=Johan T. |editor3-last=du Toit |title=Rewilding |url=https://www.cambridge.org/core/books/rewilding/2D3CFD33718F14F641AEF83FA1DB21AE |chapter=Chapt. 1-3 |series=Ecological Reviews |year=2019 |isbn=978-1-108-46012-5 |publisher=[Cambridge University Press](/source/Cambridge_University_Press) |doi=10.1017/9781108560962 |s2cid=135134123 |editor1-last=Pettorelli |editor1-first=Nathalie |editor2-first=Sarah M |editor2-last=Durant |access-date=30 November 2020 |archive-date=4 December 2020 |archive-url=https://web.archive.org/web/20201204002923/https://www.cambridge.org/core/books/rewilding/2D3CFD33718F14F641AEF83FA1DB21AE |url-status=live}}</ref><ref name="FAOPosition2020">{{cite web |url=http://www.fao.org/3/nd651en/nd651en.pdf |title=Position Paper on "Ecosystem Restoration" |publisher=[Food and Agriculture Organization](/source/Food_and_Agriculture_Organization) |date=October 2020 |access-date=30 November 2020 |archive-date=29 October 2020 |archive-url=https://web.archive.org/web/20201029195736/http://www.fao.org/3/nd651en/nd651en.pdf |url-status=live}}</ref>
Nonetheless, a 2021 report for the launch of the [UN Decade on Ecosystem Restoration](/source/UN_Decade_on_Ecosystem_Restoration), the United Nations listed rewilding as one of several restoration methods which they state should be used for ecosystem restoration of over 1 billion [hectares](/source/hectares).<ref name = "GLaunch">{{cite web |url=https://www.theguardian.com/environment/2021/jun/03/rewild-on-massive-scale-to-heal-nature-and-climate-says-un-decade-on-ecosystem-restoration-aoe |title=World must rewild on massive scale to heal nature and climate, says UN |work=[The Guardian](/source/The_Guardian) |first=Patrick |last=Greenfield |date=3 June 2021 |access-date=5 June 2021 |archive-date=5 June 2021 |archive-url=https://web.archive.org/web/20210605063145/https://www.theguardian.com/environment/2021/jun/03/rewild-on-massive-scale-to-heal-nature-and-climate-says-un-decade-on-ecosystem-restoration-aoe |url-status=live}}</ref><ref>{{cite web |url=https://wedocs.unep.org/bitstream/handle/20.500.11822/36251/ERPNC.pdf |title=Becoming #GenerationRestoration: Ecosystem Restoration for People, Nature and Climate |website=United Nations |date=3 June 2021 |access-date=5 June 2021 |archive-date=3 June 2021 |archive-url=https://web.archive.org/web/20210603152212/https://wedocs.unep.org/bitstream/handle/20.500.11822/36251/ERPNC.pdf |url-status=live}}</ref>

==Guiding principles ==

Since its origin, the term rewilding has been used as a signifier of particular forms of [ecological restoration](/source/restoration_ecology) projects that have ranged widely in scope and geographic application. In 2021 the journal ''[Conservation Biology](/source/Conservation_Biology_(journal))'' published a paper<ref name="Carver2021" /> by 33 coauthors from around the world. Titled 'Guiding Principles for Rewilding', researchers and project leaders from North America (Canada, Mexico and the United States) joined with counterparts in Europe (Denmark, France, Hungary, The Netherlands, Switzerland, and the UK), China, and South America (Chile and Colombia) to produce a unifying description, along with a set of ten guiding principles.

The group wrote, 'Commonalities in the concept of rewilding lie in its aims, whereas differences lie in the methods used, which include land protection, [connectivity conservation](/source/landscape_connectivity), removing human [infrastructure](/source/infrastructure), and [species reintroduction](/source/species_reintroduction) or [taxon](/source/taxon) replacement.' Referring to the span of project types they stated, 'Rewilding now incorporates a variety of concepts, including [Pleistocene megafauna](/source/Pleistocene_megafauna) replacement, taxon replacement, species reintroductions, [retrobreeding](/source/breeding_back), release of [captive-bred](/source/captive_breeding) animals, land abandonment, and spontaneous rewilding.' <ref name="Carver2021" />

Empowered by a directive from the [International Union for the Conservation of Nature](/source/International_Union_for_the_Conservation_of_Nature) to produce a document on rewilding that reflected a global scale inventory of underlying goals as well as practices, the group sought a 'unifying definition', producing the following:<blockquote>

'Rewilding is the process of rebuilding, following major human disturbance, a natural ecosystem by restoring natural processes and the complete or near complete food web at all trophic levels as a self-sustaining and resilient ecosystem with biota that would have been present had the disturbance not occurred. This will involve a paradigm shift in the relationship between humans and nature. The ultimate goal of rewilding is the restoration of functioning native ecosystems containing the full range of species at all trophic levels while reducing human control and pressures. Rewilded ecosystems should—where possible—be self-sustaining. That is, they require no or minimal management (i.e., ''natura naturans'' [nature doing what nature does]), and it is recognized that ecosystems are dynamic.'<ref name="Carver2021" /></blockquote>

Ten principles were developed by the group:

#Rewilding utilizes wildlife to restore trophic interactions.
#Rewilding employs landscape-scale planning that considers core areas, connectivity, and co-existence.
#Rewilding focuses on the recovery of ecological processes, interactions, and conditions based on reference ecosystems.
#Rewilding recognizes that ecosystems are dynamic and constantly changing.
#Rewilding should anticipate the effects of climate change and where possible act as a tool to mitigate impacts.
#Rewilding requires local engagement and support.
#Rewilding is informed by science, traditional ecological knowledge, and other local knowledge.
#Rewilding is adaptive and dependent on monitoring and feedback.
#Rewilding recognizes the intrinsic value of all species and ecosystems.
#Rewilding requires a paradigm shift in the coexistence of humans and nature.<ref name="Carver2021"/>

A paper was published in 2024 that offered a "broad study of rewilding guidelines and interventions."<ref name="2024-hawkinds">{{cite journal | display-authors=etal | last1=Hawkins |first1=Sally |title=Developing guidelines and a theory of change framework to inform rewilding application |journal=Frontiers in Conservation Science |date=June 2024 |volume=5 |doi=10.3389/fcosc.2024.1384267 | doi-access=free }}</ref>

== Rewilding and climate change ==
Rewilding can respond to both the causes and effects of climate change and has been posited as a '[natural climate solution](/source/Nature-based_solutions)'. Rewilding's creation of new ecosystems and restoration of existing ones can contribute to [climate change mitigation](/source/climate_change_mitigation) and [adaptation](/source/climate_change_adaptation) through, ''inter alia'', [carbon capture and storage](/source/carbon_capture_and_storage), altering the Earth's [albedo](/source/albedo), natural [flood management](/source/flood_management), reduction of [wildfire](/source/wildfire) risk, new habitat creation, and enabling or facilitating the movement of species to new, climate safe habitats, thus protecting biodiversity and maintaining functioning, [climate resilient](/source/Climate_resilience) ecosystems.<ref>{{Cite journal |last1=Carroll |first1=Carlos |last2=Noss |first2=Reed F. |date=February 2021 |title=Rewilding in the face of climate change |journal=Conservation Biology |language=en |volume=35 |issue=1 |pages=155–167 |doi=10.1111/cobi.13531 |issn=0888-8892 |pmc=7984084 |pmid=32557877 |bibcode=2021ConBi..35..155C}}</ref><ref name=":02">{{Cite journal |last1=Cromsigt |first1=Joris P. G. M. |last2=te Beest |first2=Mariska |last3=Kerley |first3=Graham I. H. |last4=Landman |first4=Marietjie |last5=le Roux |first5=Elizabeth |last6=Smith |first6=Felisa A. |date=5 December 2018 |title=Trophic rewilding as a climate change mitigation strategy? |journal=Philosophical Transactions of the Royal Society B: Biological Sciences |language=en |volume=373 |issue=1761 |article-number=20170440 |doi=10.1098/rstb.2017.0440 |issn=0962-8436 |pmc=6231077 |pmid=30348867}}</ref><ref name=":12">{{Cite journal |last1=Nogués-Bravo |first1=David |last2=Simberloff |first2=Daniel |last3=Rahbek |first3=Carsten |last4=Sanders |first4=Nathan James |date=February 2016 |title=Rewilding is the new Pandora's box in conservation |journal=Current Biology |language=en |volume=26 |issue=3 |pages=R87–R91 |doi=10.1016/j.cub.2015.12.044 |pmid=26859272 |s2cid=739698 |doi-access=free|bibcode=2016CBio...26..R87N }}</ref><ref name=":2">{{Cite journal |last=Svenning |first=Jens-Christian |date=December 2020 |title=Rewilding should be central to global restoration efforts |journal=One Earth |language=en |volume=3 |issue=6 |pages=657–660 |doi=10.1016/j.oneear.2020.11.014 |bibcode=2020OEart...3..657S |s2cid=234537481 |doi-access=free}}</ref><ref>{{Cite journal |last1=Jarvie |first1=Scott |last2=Svenning |first2=Jens-Christian |date=2018-12-05 |title=Using species distribution modelling to determine opportunities for trophic rewilding under future scenarios of climate change |journal=Philosophical Transactions of the Royal Society B: Biological Sciences |language=en |volume=373 |issue=1761 |article-number=20170446 |doi=10.1098/rstb.2017.0446 |issn=0962-8436 |pmc=6231076 |pmid=30348873}}</ref><ref name="Joris P. G. M 2017"/><ref>{{Cite journal |last1=Malhi |first1=Yadvinder |last2=Lander |first2=Tonya |last3=le Roux |first3=Elizabeth |last4=Stevens |first4=Nicola |last5=Macias-Fauria |first5=Marc |last6=Wedding |first6=Lisa |last7=Girardin |first7=Cécile |last8=Kristensen |first8=Jeppe Ågård |last9=Sandom |first9=Christopher J. |last10=Evans |first10=Tom D. |last11=Svenning |first11=Jens-Christian |last12=Canney |first12=Susan |date=February 2022 |title=The role of large wild animals in climate change mitigation and adaptation |journal=Current Biology |volume=32 |issue=4 |pages=R181–R196 |bibcode=2022CBio...32.R181M |doi=10.1016/j.cub.2022.01.041 |issn=0960-9822 |pmid=35231416 |doi-access=free}}</ref>

The functional roles animals perform in ecosystems, such as [grazing](/source/Grazing_(behaviour)), [nutrient cycling](/source/nutrient_cycling) and [seed distribution](/source/Seed_dispersal), can influence the amount of carbon that soils and (marine and terrestrial) plants capture.<ref name=":04">{{Cite journal |last1=Schmitz |first1=Oswald J. |last2=Sylvén |first2=Magnus |last3=Atwood |first3=Trisha B. |last4=Bakker |first4=Elisabeth S. |last5=Berzaghi |first5=Fabio |last6=Brodie |first6=Jedediah F. |last7=Cromsigt |first7=Joris P. G. M. |last8=Davies |first8=Andrew B. |last9=Leroux |first9=Shawn J. |last10=Schepers |first10=Frans J. |last11=Smith |first11=Felisa A. |last12=Stark |first12=Sari |last13=Svenning |first13=Jens-Christian |last14=Tilker |first14=Andrew |last15=Ylänne |first15=Henni |title=Trophic rewilding can expand natural climate solutions |url=https://www.nature.com/articles/s41558-023-01631-6 |journal=Nature Climate Change |language=en |publication-date=27 March 2023 |volume=13 |issue=4 |pages=324–333 |doi=10.1038/s41558-023-01631-6 |bibcode=2023NatCC..13..324S |issn=1758-6798 |hdl=20.500.11755/f02184f8-911c-4efd-ac4e-d0882f666ebf |s2cid=257777277 |hdl-access=free |access-date=27 September 2023 |archive-date=11 September 2023 |archive-url=https://web.archive.org/web/20230911051325/https://www.nature.com/articles/s41558-023-01631-6 |url-status=live}}</ref> The [carbon cycle](/source/carbon_cycle) is altered through [herbivore](/source/herbivore)s consuming vegetation, assimilating carbon within their own biomass, and releasing carbon by respiration and defecation after digestion.<ref name="Royal Society B 2017">{{Cite journal |last1=Olofsson |first1=Johan |last2=Post |first2=Eric |date=2018-12-05 |title=Effects of large herbivores on tundra vegetation in a changing climate, and implications for rewilding |journal=Philosophical Transactions of the Royal Society B: Biological Sciences |language=en |volume=373 |issue=1761 |article-number=20170437 |doi=10.1098/rstb.2017.0437 |issn=0962-8436 |pmc=6231078 |pmid=30348880}}</ref><ref>{{Cite journal |last1=Schmitz |first1=Oswald J. |last2=Sylvén |first2=Magnus |date=2023-05-04 |title=Animating the Carbon Cycle: How Wildlife Conservation Can Be a Key to Mitigate Climate Change |journal=Environment: Science and Policy for Sustainable Development |language=en |volume=65 |issue=3 |pages=5–17 |doi=10.1080/00139157.2023.2180269 |bibcode=2023ESPSD..65c...5S |issn=0013-9157|doi-access=free }}</ref> The most beneficial effects on biogeochemical cycling and ecosystem structure are reported through rewilding large herbivore species.<ref>{{Cite journal |last1=Pringle |first1=Robert M. |last2=Abraham |first2=Joel O. |last3=Anderson |first3=T. Michael |last4=Coverdale |first4=Tyler C. |last5=Davies |first5=Andrew B. |last6=Dutton |first6=Christopher L. |last7=Gaylard |first7=Angela |last8=Goheen |first8=Jacob R. |last9=Holdo |first9=Ricardo M. |last10=Hutchinson |first10=Matthew C. |last11=Kimuyu |first11=Duncan M. |last12=Long |first12=Ryan A. |last13=Subalusky |first13=Amanda L. |last14=Veldhuis |first14=Michiel P. |date=June 2023 |title=Impacts of large herbivores on terrestrial ecosystems |journal=Current Biology |volume=33 |issue=11 |pages=R584–R610 |bibcode=2023CBio...33R.584P |doi=10.1016/j.cub.2023.04.024 |issn=0960-9822 |pmid=37279691 |hdl-access=free |hdl=1887/3718719}}</ref><ref name="Royal Society B 2017"/> A study in a tropical forest in [Guyana](/source/Guyana) found that an increase in mammal species from 5 to 35 increased tree and soil carbon storage by four to five times, compared to an increase of 3.5 to four times with an increase of tree species from 10 to 70.<ref>{{Cite journal |last1=Sobral |first1=Mar |last2=Silvius |first2=Kirsten M. |last3=Overman |first3=Han |last4=Oliveira |first4=Luiz F. B. |last5=Raab |first5=Ted K. |last6=Fragoso |first6=José M. V. |title=Mammal diversity influences the carbon cycle through trophic interactions in the Amazon |url=https://www.nature.com/articles/s41559-017-0334-0 |journal=Nature Ecology & Evolution |language=en |publication-date=9 October 2017 |volume=1 |issue=11 |pages=1670–1676 |doi=10.1038/s41559-017-0334-0 |pmid=28993614 |bibcode=2017NatEE...1.1670S |s2cid=256704162 |issn=2397-334X |access-date=27 September 2023 |archive-date=27 September 2023 |archive-url=https://web.archive.org/web/20230927111441/https://www.nature.com/articles/s41559-017-0334-0 |url-status=live|url-access=subscription }}</ref> A separate study suggested that the loss of megafauna that eat fruits may be responsible for an up to 10% reduction in carbon storage in tropical forests.<ref name="Joris P. G. M 2017"/> Furthermore, acceleration of nutrient cycling through [browsing](/source/Browsing_(herbivory)) and grazing may increase local plant productivity and thereby maintain ecosystem productivity in [grassy biomes](/source/Grassland).

It is also posited that grazing and browsing reduces the risk of wildfires (which are significant contributors of GHG emissions and whose smoke can alter the planet's albedo - the Earth's ability to reflect heat from sunlight). For example, the loss of wildebeest from the [Serengeti](/source/Serengeti) led to an increase in un-grazed grass, leading to more frequent and intense fires, causing the grassland to turn from a [carbon sink](/source/carbon_sink) to a carbon source. When disease management practices restored the wildebeest population, the Serengeti returned to a carbon sink state.<ref name=":04" /><ref>{{Cite web |last=Kimbrough |first=Liz |date=30 March 2023 |title=Rewilding animals could be key for climate: Report |url=https://news.mongabay.com/2023/03/rewilding-animals-could-be-key-for-climate-report/ |url-status=live |archive-url=https://web.archive.org/web/20230927111436/https://news.mongabay.com/2023/03/rewilding-animals-could-be-key-for-climate-report/ |archive-date=27 September 2023 |access-date=27 September 2023 |website=Mongabay Environmental News |language=en-US}}</ref>

Rewilding's effect on albedo is not only through potential reduction of smoke from wildfires but also through the effects of grazing itself. By reducing woody cover through browsing and [trampling](/source/trampling), large herbivores expose more ground surface and thus increase the albedo effect, reducing local surface temperatures and creating a net surface cooling effect during spring and autumn.<ref>{{Cite journal |last=Cromsigt |first=Joris P. G. M. |last2=Te Beest |first2=Mariska |last3=Kerley |first3=Graham I. H. |last4=Landman |first4=Marietjie |last5=le Roux |first5=Elizabeth |last6=Smith |first6=Felisa A. |date=2018-10-22 |title=Trophic rewilding as a climate change mitigation strategy? |url=https://pmc.ncbi.nlm.nih.gov/articles/PMC6231077/ |journal=Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences |volume=373 |issue=1761 |article-number=20170440 |doi=10.1098/rstb.2017.0440 |issn=1471-2970 |pmc=6231077 |pmid=30348867}}</ref>

Other forms of ecological restoration as part of rewilding can also assist with mitigating climate change. For example, [reforestation](/source/reforestation), [afforestation](/source/afforestation) and peat re-wetting can all contribute to [carbon sequestration](/source/carbon_sequestration).<ref>{{Cite web |title=What is rewilding and how is it relevant to climate change? |url=https://www.lse.ac.uk/granthaminstitute/explainers/what-is-rewilding-and-how-is-it-relevant-to-climate-change/ |access-date=2024-10-03 |website=Grantham Research Institute on climate change and the environment |language=en-GB}}</ref> While carbon sequestration could allow [carbon offsetting](/source/Carbon_offsets_and_credits) and [carbon trading](/source/Carbon_emission_trading) as a way to [monetize](/source/Monetization) rewilding there has been concern that the highly speculative nature of carbon markets encourages '[land grabbing](/source/land_grabbing)' (i.e., buying large areas of land) and '[greenwashing](/source/greenwashing)' from natural capital investors and multi-national companies.<ref>{{Cite news |last=Salter |first=Eleanor |date=2022-05-28 |title=Rewilding, or just a greenwashed land grab? It all depends on who benefits |url=https://www.theguardian.com/commentisfree/2022/may/28/rewilding-greenwash-land-schemes |access-date=2024-10-03 |work=The Guardian |language=en-GB |issn=0261-3077}}</ref>

== Types of rewilding ==

=== Passive rewilding ===
[Passive rewilding](/source/Passive_rewilding) (also referred to as ecological rewilding)<ref>{{Cite web |title=Rewilding glossary |url=https://www.rewildingbritain.org.uk/explore-rewilding/faqs-and-glossary/rewilding-glossary |access-date=25 April 2023 |website=Rewilding Britain |language=en |archive-date=25 April 2023 |archive-url=https://web.archive.org/web/20230425161154/https://www.rewildingbritain.org.uk/explore-rewilding/faqs-and-glossary/rewilding-glossary |url-status=live}}</ref> aims to restore natural ecosystem processes via minimal or the total withdrawal of direct human management of the landscape.<ref name=":03">{{Cite journal |last1=Sandom |first1=Christopher J. |last2=Dempsey |first2=Benedict |last3=Bullock |first3=David |last4=Ely |first4=Adrian |last5=Jepson |first5=Paul |last6=Jimenez-Wisler |first6=Stefan |last7=Newton |first7=Adrian |last8=Pettorelli |first8=Nathalie |last9=Senior |first9=Rebecca A. |date=16 October 2018 |title=Rewilding in the English uplands: Policy and practice |journal=Journal of Applied Ecology |volume=56 |issue=2 |pages=266–273 |doi=10.1111/1365-2664.13276 |s2cid=91608488 |issn=0021-8901 |doi-access=free}}</ref><ref>Gillson L, Ladle RJ, Araújo MB. 2011. Baselines, patterns and process. In: Ladle RJ, Whittaker RJ, Eds. Conservation biogeography. Oxford: Wiley-Blackwell. p 31–44. https://doi.org/10.1002/9781444390001.ch3</ref><ref>{{Cite journal |last1=Navarro |first1=Laetitia M. |last2=Pereira |first2=Henrique M. |date=1 September 2012 |title=Rewilding Abandoned Landscapes in Europe |journal=Ecosystems |language=en |volume=15 |issue=6 |pages=900–912 |doi=10.1007/s10021-012-9558-7 |s2cid=254079068 |issn=1435-0629 |doi-access=free |bibcode=2012Ecosy..15..900N}}</ref> An [abandoned area](/source/Abandoned_town) later reclaimed by nature is an example where direct human management is completely absent. In such cases, wildlife will rebound and recolonize when given the chance.<ref name=BBC>{{Cite web |title=What does nature get up to After We've Gone?|url=https://www.bbcearth.com/news/what-does-nature-get-up-to-after-weve-gone|access-date=28 September 2025 |website=[BBC Earth](/source/BBC_Earth) |author=Hayley Allen}}</ref>

=== Active rewilding ===
[[File:Edelhert in de nieuwe wildernis (15018063312).jpg|thumb|A red deer at the [Oostvaardersplassen](/source/Oostvaardersplassen) nature reserve, a rewilding site in the Netherlands]]
Active rewilding is an umbrella term used to describe a range of rewilding approaches all of which involve human intervention. These might include species [reintroductions](/source/Species_reintroduction) or [translocations](/source/Species_translocation) and/or habitat engineering and the removal of man-made structures and [Introduced species](/source/Introduced_species) that cause trouble.<ref name="Carver">{{cite journal|last1=Carver |first1=Steve |title=Rewilding... conservation and conflict |journal=ECOS |date=2016 |volume=37 |issue=2 |url=https://www.ecos.org.uk/wp-content/uploads/2016/08/ECOS-37-2-2-Rewilding.-conservation-and-conflict.pdf |access-date=1 June 2022}}</ref><ref name=":03" /><ref>{{Cite journal |last1=Toit |first1=Johan T. |last2=Pettorelli |first2=Nathalie |title=The differences between rewilding and restoring an ecologically degraded landscape |journal=Journal of Applied Ecology |year=2019 |language=en |publication-date=16 August 2019 |volume=56 |issue=11 |pages=2467–2471 |doi=10.1111/1365-2664.13487 |s2cid=202025350 |issn=0021-8901 |doi-access=free |bibcode=2019JApEc..56.2467D}}</ref>

==== Pleistocene rewilding ====
{{main|Pleistocene rewilding}}

Pleistocene rewilding is the (re)introduction of extant [Pleistocene megafauna](/source/Pleistocene_megafauna), or the close ecological equivalents of extinct megafauna, to restore ecosystem function. Advocates of the approach maintain that ecosystems where species evolved in response to Pleistocene megafauna now lack large mammals, and they may be in danger of [collapse](/source/Ecological_collapse).<ref name="Galetti">{{cite journal |last=Galetti |first=M. |year=2004 |title=Parks of the Pleistocene: Recreating the cerrado and the Pantanal with megafauna |journal=Natureza e Conservação |volume=2 |issue=1 |pages=93–100}}</ref><ref name="agenda">{{cite journal |last1=Donlan |first1=C.J. |display-authors=etal |year=2006 |title=Pleistocene Rewilding: An Optimistic Agenda for Twenty-First Century Conservation |url=http://eebweb.arizona.edu/Courses/Ecol406R_506R/DonlanEA-2006_AmNat_PleistoceneRewild.pdf |url-status=live |journal=The American Naturalist |volume=168 |issue=5 |pages=1–22 |doi=10.1086/508027 |pmid=17080364 |s2cid=15521107 |archive-url=https://web.archive.org/web/20190718024534/http://eebweb.arizona.edu/Courses/Ecol406R_506R/DonlanEA-2006_AmNat_PleistoceneRewild.pdf |archive-date=18 July 2019 |access-date=16 August 2011}}</ref> Meanwhile critics argue that it is unrealistic to assume that ecological communities today are functionally similar to their state 10,000 years ago.

==== Trophic rewilding ====
Trophic rewilding is an [ecological restoration](/source/Restoration_ecology) strategy focused on restoring trophic interactions and complexity (specifically top-down and associated [trophic cascade](/source/trophic_cascade)s where a top consumer/predator controls the primary consumer population) through species (re)introductions, in order to promote self-regulating, biodiverse ecosystems.<ref>{{Cite journal |last1=Svenning |first1=Jens-Christian |last2=Pedersen |first2=Pil B. M. |last3=Donlan |first3=C. Josh |last4=Ejrnæs |first4=Rasmus |last5=Faurby |first5=Søren |last6=Galetti |first6=Mauro |last7=Hansen |first7=Dennis M. |last8=Sandel |first8=Brody |last9=Sandom |first9=Christopher J. |last10=Terborgh |first10=John W. |last11=Vera |first11=Frans W. M. |date=26 January 2016 |title=Science for a wilder Anthropocene: Synthesis and future directions for trophic rewilding research |journal=Proceedings of the National Academy of Sciences |language=en |volume=113 |issue=4 |pages=898–906 |bibcode=2016PNAS..113..898S |doi=10.1073/pnas.1502556112 |issn=0027-8424 |pmc=4743824 |pmid=26504218 |doi-access=free}}</ref><ref name="Svenning-May-2024">{{cite journal |last1=Svenning |first1=Jens-Christian |last2=Buitenwerf |first2=Robert |last3=Le Roux |first3=Elizabeth |date=6 May 2024 |title=Review: Trophic rewilding as a restoration approach under emerging novel biosphere conditions |url=https://www.cell.com/current-biology/fulltext/S0960-9822(24)00219-7 |journal=Current Biology |volume=34 |issue=9 |pages=R435–R451 |doi=10.1016/j.cub.2024.02.044|pmid=38714176 |doi-access=free }}</ref>

==== Urban rewilding ====
[Urban rewilding](/source/Urban_rewilding) is a type of rewilding focused on the integration of nature into urban settings.<ref>{{Cite web |title=C40 Knowledge Community |url=https://www.c40knowledgehub.org/s/article/Urban-rewilding-the-value-and-co-benefits-of-nature-in-urban-spaces?language=en_US |access-date=2024-12-09 |website=www.c40knowledgehub.org}}</ref>

==Elements==
=== Ecosystem engineers ===
[Ecosystem engineer](/source/Ecosystem_engineer)s are 'organisms that demonstrably modify the structure of their habitats'.<ref>{{Cite journal |last1=Wright |first1=Justin P. |last2=Jones |first2=Clive G. |last3=Flecker |first3=Alexander S. |date=2002-06-01 |title=An ecosystem engineer, the beaver, increases species richness at the landscape scale |url=https://link.springer.com/article/10.1007/s00442-002-0929-1 |journal=Oecologia |language=en |volume=132 |issue=1 |pages=96–101 |doi=10.1007/s00442-002-0929-1 |pmid=28547281 |bibcode=2002Oecol.132...96W |issn=1432-1939|url-access=subscription }}</ref> Examples of ecosystem engineers in rewilding include [beaver](/source/beaver), [elephant](/source/elephant)s, [bison](/source/bison), [elk](/source/elk), cattle (as analogues for the extinct [aurochs](/source/aurochs)) and pigs (as analogues for [wild boar](/source/wild_boar)).<ref name="Bison">{{cite web |title=European Bison bonasus Through grazing, foraging, wallowing and trampling, the hefty bison boosts habitat diversification |url=https://www.rewildingbritain.org.uk/explore-rewilding/reintroductions-key-species/rewilding-superstars/european-bison |access-date=3 January 2022 |website=Rewilding Britain |archive-date=3 January 2022 |archive-url=https://web.archive.org/web/20220103023357/https://www.rewildingbritain.org.uk/explore-rewilding/reintroductions-key-species/rewilding-superstars/european-bison |url-status=live}}</ref><ref name="Sandom">{{cite journal |last1=Sandom |first1=Christopher J |last2=Hughes |first2=Joelene |last3=Macdonald |first3=David W |date=2012 |title=Rooting for rewilding: quantifying wild boar's Sus scrofa rooting rate in the Scottish Highlands |url=http://sro.sussex.ac.uk/id/eprint/57899 |journal=Restoration Ecology |volume=21 |issue=3 |pages=329–335 |doi=10.1111/j.1526-100X.2012.00904.x |s2cid=82475098 |access-date=3 January 2022 |archive-date=3 January 2022 |archive-url=https://web.archive.org/web/20220103023409/http://sro.sussex.ac.uk/id/eprint/57899/ |url-status=live|url-access=subscription }}</ref><ref name="Beavers">{{cite book |last1=MacDonald |first1=Benedict |title=Rebirding |date=2019 |publisher=Pelagic |isbn=978-1-78427-219-7 |edition=2020 |location=Exeter, U.K. |pages=16–17, 25, 87–88, 201, 214, 248, plate 30}}</ref><ref>{{Cite journal |last1=Jackowiak |first1=Mateusz |last2=Busher |first2=Peter |last3=Krauze-Gryz |first3=Dagny |date=8 August 2020 |title=Eurasian Beaver (Castor fiber) Winter Foraging Preferences in Northern Poland—The Role of Woody Vegetation Composition and Anthropopression Level |journal=Animals |language=en |volume=10 |issue=8 |page=1376 |doi=10.3390/ani10081376 |issn=2076-2615 |pmc=7460282 |pmid=32784368 |doi-access=free}}</ref>

===Keystone species===
{{main|Keystone species}}

A keystone species is a species that has a disproportionately large effect on its environment relative to its [abundance](/source/Abundance_(ecology)).<ref>{{Cite web |title=Keystone Species & Rewilding {{!}} Rewilding Report |url=https://rewildingreport.com/topic-keystone-species |access-date=2026-05-22 |website=rewildingreport.com |language=en}}</ref>

=== Predators ===
Apex predators may be required in rewilding projects to ensure that browsing and grazing animals are kept from over-breeding/over-feeding thereby destroying vegetation complexity<ref name="stolzenburg2008" /> and exceeding the ecological carrying capacity of the rewilding area, as was seen in the mass-starvations which occurred at the [Oostvaardersplassen](/source/Oostvaardersplassen) rewilding project in the Netherlands.<ref>{{Cite journal |last=Keulartz |first=Jozef |date=2009-04-01 |title=Boundary Work in Ecological Restoration |url=https://www.pdcnet.org/envirophil/content/envirophil_2009_0006_0001_0035_0055 |journal=Environmental Philosophy |language=en |volume=6 |issue=1 |pages=35–55 |doi=10.5840/envirophil2009613|url-access=subscription }}</ref> While predators play an important role in ecosystems, however, there is debate regarding the extent to which the control of prey populations is due to direct predation or a more indirect influence of predators (see [Ecology of fear](/source/Ecology_of_fear_(concept))).<ref>{{Cite journal |last1=Fløjgaard |first1=Camilla |last2=Pedersen |first2=Pil Birkefeldt Møller |last3=Sandom |first3=Christopher J. |last4=Svenning |first4=Jens-Christian |last5=Ejrnæs |first5=Rasmus |date=January 2022 |title=Exploring a natural baseline for large-herbivore biomass in ecological restoration |url=https://onlinelibrary.wiley.com/doi/10.1111/1365-2664.14047 |journal=Journal of Applied Ecology |language=en |volume=59 |issue=1 |pages=18–24 |doi=10.1111/1365-2664.14047 |bibcode=2022JApEc..59...18F |issn=0021-8901 |s2cid=243489626}}</ref> For example, it is thought that [wildebeest](/source/Blue_wildebeest) populations in the Serengeti are primarily controlled by food constraints despite the presence of many predators such as [Lion](/source/Lion)s, [cheetah](/source/cheetah)s, and [hyena](/source/hyena)s.<ref>{{Cite journal |last1=Mduma |first1=Simon A. R. |last2=Sinclair |first2=A. R. E. |last3=Hilborn |first3=Ray |date=November 1999 |title=Food regulates the Serengeti wildebeest: a 40-year record |journal=Journal of Animal Ecology |language=en |volume=68 |issue=6 |pages=1101–1122 |bibcode=1999JAnEc..68.1101M |doi=10.1046/j.1365-2656.1999.00352.x |issn=0021-8790 |doi-access=free}}</ref>

== Criticism ==

===Compatibility with economic activity===
Some national governments and officials within multilateral agencies such as the [United Nations](/source/United_Nations), express the view that 'excessive' rewilding, such as large rigorously enforced [protected area](/source/protected_area)s where no extraction activities are allowed, can be too restrictive on people's ability to earn sustainable livelihoods.<ref name="Rewilding" /><ref name="FAOPosition2020" /> The alternative view is that increasing ecotourism can provide employment.<ref name="Ecotourism">{{cite book |last1=MacDonald |first1=Benedict |title=Rebirding |date=2019 |publisher=Pelagic |location=Exeter, U.K. |isbn=978-1-78427-219-7 |pages=153, 155–156, 180–188, 204 |edition=2020}}</ref>

=== Conflicts with animal rights and welfare ===
Rewilding has been criticized by [animal rights](/source/animal_rights) scholars, such as [Dale Jamieson](/source/Dale_Jamieson), who argues that 'most cases of rewilding or reintroducing are likely to involve conflicts between the satisfaction of human preferences and the welfare of nonhuman animals'.<ref>{{Cite journal |last=Jamieson |first=Dale |author-link=Dale Jamieson |date=2008 |title=The Rights of Animals and the Demands of Nature |journal=Environmental Values |volume=17 |issue=2 |pages=181–200 |doi=10.3197/096327108X303846 |jstor=30302637 |s2cid=144642929}}</ref> Erica von Essen and Michael Allen, using [Donaldson](/source/Sue_Donaldson) and [Kymlicka](/source/Kymlicka)'s political animal categories framework, assert that wildness standards imposed on animals are arbitrary and inconsistent with the premise that wild animals should be granted sovereignty over the territories that they inhabit and the right to make decisions about their own lives. To resolve this, von Essen and Allen contend that rewilding needs to shift towards full alignment with mainstream conservation and welcome full sovereignty, or instead take full responsibility for the care of animals who have been reintroduced.<ref>{{Cite journal |last1=von Essen |first1=Erica |last2=Allen |first2=Michael |date=29 September 2015 |title=Wild-But-Not-Too-Wild Animals: Challenging Goldilocks Standards in Rewilding |url=https://digitalcommons.calpoly.edu/bts/vol19/iss1/4 |journal=Between the Species |volume=19 |issue=1 |access-date=13 February 2021 |archive-date=28 February 2021 |archive-url=https://web.archive.org/web/20210228094336/https://digitalcommons.calpoly.edu/bts/vol19/iss1/4/ |url-status=live}}</ref> [Ole Martin Moen](/source/Ole_Martin_Moen) argues that rewilding projects should be brought to an end because they unnecessarily increase [wild animal suffering](/source/wild_animal_suffering) and are expensive, and the funds could be better spent elsewhere.<ref>{{cite journal |last1=Moen |first1=Ole Martin |title=The ethics of wild animal suffering |journal=Etikk I Praksis |date=9 May 2016 |volume=10 |issue=1 |pages=91–104 |doi=10.5324/eip.v10i1.1972 |doi-access=free}}</ref>

=== Erasure of environmental history ===
The environmental historian [Dolly Jørgensen](/source/Dolly_J%C3%B8rgensen) argues that rewilding, as it currently exists, 'seeks to erase human history and involvement with the land and flora and fauna. Such an attempted split between nature and culture may prove unproductive and even harmful.' She calls for rewilding to be more inclusive to combat this.<ref>{{cite journal |last1=Jørgensen |first1=Dolly |title=Rethinking rewilding |journal=Geoforum |date=October 2015 |volume=65 |pages=482–488 |doi=10.1016/j.geoforum.2014.11.016}}</ref> Jonathan Prior and Kim J. Ward challenge Jørgensen's criticism and provide examples of rewilding programs which 'have been developed and governed within the understanding that human and non-human world are inextricably entangled'.<ref>{{cite journal |last1=Prior |first1=Jonathan |last2=Ward |first2=Kim J. |title=Rethinking rewilding: A response to Jørgensen |journal=Geoforum |date=February 2016 |volume=69 |pages=132–135 |doi=10.1016/j.geoforum.2015.12.003 |url=https://orca.cardiff.ac.uk/84730/1/Prior%20and%20Ward%20Final%20%281%29.pdf |access-date=6 October 2021 |archive-date=15 December 2021 |archive-url=https://web.archive.org/web/20211215064519/https://orca.cardiff.ac.uk/84730/1/Prior%20and%20Ward%20Final%20%281%29.pdf |url-status=live}}</ref>

=== Farming ===
Some farmers have been critical of rewilding for 'abandoning productive farmland when the world's population is growing'.<ref name=":0">{{Cite news |last=Barkham |first=Patrick |date=3 April 2017 |title='It is strange to see the British struggling with the beaver': why is rewilding so controversial? |url=https://www.theguardian.com/environment/2017/jul/01/rewilding-conservation-ecology-national-trust |url-status=live |archive-url=https://web.archive.org/web/20210124132348/https://www.theguardian.com/environment/2017/jul/01/rewilding-conservation-ecology-national-trust |archive-date=24 January 2021 |access-date=13 February 2021 |work=The Guardian}}</ref> Farmers have also attacked plans to [reintroduce the lynx in the United Kingdom](/source/Lynx_reintroduction_in_the_United_Kingdom) because of fears that reintroduction will lead to an increase in [sheep predation](/source/Domestic_sheep_predation).<ref>{{Cite news |last= |first= |date=1 February 2021 |title=Sheep farmers attack new attempt to reintroduce lynx |url=https://www.farminguk.com/news/sheep-farmers-attack-new-attempt-to-reintroduce-lynx_57485.html |url-status=live |archive-url=https://web.archive.org/web/20210202110545/https://www.farminguk.com/news/sheep-farmers-attack-new-attempt-to-reintroduce-lynx_57485.html |archive-date=2 February 2021 |access-date=13 February 2021 |work=FarmingUK}}</ref>

=== Harm to conservation ===
Some conservationists have expressed concern that rewilding 'could replace the traditional protection of rare species on small [nature reserve](/source/nature_reserve)s', which could potentially lead to an increase in [habitat fragmentation](/source/habitat_fragmentation) and species loss.<ref name=":0" /> David Nogués-Bravo and Carsten Rahbek assert that the benefits of rewilding lack evidence and that such programs may inadvertently lead to 'de-wilding', through the extinction of local and global species. They also contend that rewilding programs may draw funding away from 'more scientifically supported conservation projects'.<ref>{{Cite web |last=Middleton |first=Amy |date=14 February 2016 |title=Rewilding may be death sentence to other animals |url=https://cosmosmagazine.com/science/biology/rewilding-may-be-death-sentence-to-other-animals/ |access-date=13 February 2021 |website=Cosmos Magazine |language=en-AU |archive-date=21 August 2022 |archive-url=https://web.archive.org/web/20220821120135/https://cosmosmagazine.com/science/biology/rewilding-may-be-death-sentence-to-other-animals/ |url-status=live}}</ref> Many large conservation groups have built fundraising campaigns around the idea that once wildlife is gone, it's gone for good; rewilding experts saying otherwise may confuse donors and lead to less money being funneled into conservation efforts. Governmental agencies overseeing land use and consumption are often heavily influenced by the interests of loggers, ranchers, and miners, so non-profit organizations are often at the forefront of conservation efforts, and a loss of funding could have major impacts on the protection of wildlife. There is also concern among conservationists that if the idea that wilderness can be restored becomes popular with the public, oil companies, real estate developers, and agribusinesses may be emboldened to step up land consumption, arguing that it can be restored later.<ref name="RTW">{{cite book |last1=Fraser |first1=Caroline |title=Rewilding the World: Dispatches from the Conservation Revolution |date=2009 |publisher=Picador |isbn=978-0-312-65541-9}}</ref>

=== Human-wildlife conflict ===
The reintroduction of brown bears to Italy's [Trentino](/source/Trentino) province through the EU-funded Life Ursus project has led to growing tensions between humans and wildlife. While initially celebrated as a conservation success, the bear population has expanded to over 100, leading to increased conflicts, including the fatal attack on Andrea Papi in 2023—the first modern death caused by a wild bear in Italy. This incident sparked fear among residents and prompted calls for stricter controls, including culling dangerous bears. Critics argue the conflict stems from poor management, inadequate public education, and a lack of preventive measures like bear-proof bins. Despite efforts to balance human safety and conservation, local communities remain deeply divided, with many pushing for limits on bear numbers and more decisive action against perceived threats.<ref>{{Cite news |last=Giuffrida |first=Angela |date=2024-11-17 |title=How a fatal bear attack led an Italian commune to rally against rewilding |url=https://www.theguardian.com/world/2024/nov/17/how-fatal-bear-attack-led-italian-comune-rally-against-rewilding |access-date=2024-11-17 |work=The Guardian |language=en-GB |issn=0261-3077}}</ref><ref>{{Cite web |last=Lerwill |first=Ben |date=2024-05-01 |title=Northern Italy's 'problem bears' show the challenges of rewilding carnivores |url=https://www.nationalgeographic.com/travel/article/north-italy-bears-rewilding-controversy |access-date=2024-11-17 |website=[National Geographic](/source/National_Geographic) |language=en}}</ref>

==Rewilding in different locations==
Both [grassroots](/source/grassroots) groups and major international conservation organizations have incorporated rewilding into projects to protect and restore [large-scale core wilderness areas](/source/Edge_effects), [corridors](/source/Wildlife_corridor) (or connectivity) between them, and [apex predator](/source/apex_predator)s, carnivores, or keystone species. Projects include: the [Yellowstone to Yukon Conservation Initiative](/source/Yellowstone_to_Yukon_Conservation_Initiative) in North America (also known as Y2Y), the [European Green Belt](/source/European_Green_Belt) (built along the former [Iron Curtain](/source/Iron_Curtain)), transboundary projects (including those in southern Africa funded by the [Peace Parks Foundation](/source/Peace_Parks_Foundation)), community-conservation projects (such as the wildlife conservancies of Namibia and Kenya), and projects organized around ecological restoration (including [Gondwana Link](/source/Gondwana_Link), regrowing native bush in a hotspot of [endemism](/source/endemism) in southwest Australia, and the [Area de Conservacion Guanacaste](/source/Area_de_Conservacion_Guanacaste), restoring dry tropical forest and rainforest in Costa Rica).<ref name="fraser2009" />

===North America===
[[Image:Trans-Canada-wildlife overpass.JPG|thumb|upright=1.25|A [wildlife crossing](/source/wildlife_crossing) structure on the [Trans-Canada Highway](/source/Trans-Canada_Highway) in [Banff National Park](/source/Banff_National_Park), Canada. Wildlife-friendly overpasses and underpasses have helped restore connectivity in the landscape for wolves, bears, elk, and other species.]]
In North America, a major project aims to restore the [prairie grasslands](/source/Northern_short_grasslands) of the [Great Plains](/source/Great_Plains).<ref name="manning2009" /> The [American Prairie](/source/American_Prairie_(nature_reserve)) is reintroducing [bison](/source/bison) on private land in the [Missouri Breaks](/source/Upper_Missouri_River_Breaks_National_Monument) region of north-central Montana, with the goal of creating a prairie preserve larger than [Yellowstone National Park](/source/Yellowstone_National_Park).{{r|manning2009|pp=187-199}} As of 2024, American Prairie's habitat spanned over 520,000 acres.<ref>{{Cite web |last=Determan |first=Amanda |date=2024-12-05 |title=American Prairie surpasses half a million acres |url=https://americanprairie.org/the-latest/halfmillion/ |access-date=2024-12-12 |website=American Prairie |language=en-US}}</ref>

[Dam removal](/source/Dam_removal) has led to the restoration of many river systems in the [Pacific Northwest](/source/Pacific_Northwest) in an effort to restore salmon populations specifically but with other species in mind. As stated in an article on environmental law:

'These dam removals provide perhaps the best example of large-scale environmental remediation in the twenty-first century. [...] The result has been to put into motion ongoing rehabilitation efforts in four distinct [river basin](/source/river_basin)s: the [Elwha](/source/Elwha_River) and [White Salmon](/source/White_Salmon_River) in Washington and the [Sandy](/source/Sandy_River_(Oregon)) and [Rogue](/source/Rogue_River_(Oregon)) in Oregon'.<ref name="BLUMM2012" />

====Yellowstone to Yukon====

Formally launched in 1997, Yellowstone to Yukon (Y2Y) was a conservation initiative that envisioned a wide corridor of protected land stretching from Canada's [Yukon territory](/source/Yukon), through Canadian and American national parks like [Waterton](/source/Waterton_Lakes_National_Park) and [Glacier](/source/Glacier_National_Park_(U.S.)), all the way to the [Greater Yellowstone ecoregion](/source/Greater_Yellowstone_Ecosystem) in the northern Rocky Mountains.<ref name="RTW"/> Promoters of the project worked to discourage building of roads and other human developments that would impede the movement of large predators like wolves and grizzly bears. Y2Y used lobbying and education to promote its mission and get the public involved. Organizers set up conferences between rewilding groups in Canada and the United States, facilitated dialogue between conservationists and Native American groups, and maintained high visibility for the project by featuring in newspapers like the New York Times and the Washington Post. Activists involved in the project successfully lobbied for 24 highway crossing structures in the Banff area, allowing for safer movement of wildlife across the Trans-Canadian highway.<ref name="RTW"/>

Y2Y inspired other conservation groups to focus more of their efforts on lobbying to persuade government action, and led to an increase in corridor planning across North America. The South Coast Wildlands Project successfully convinced the California State Parks Agency to buy a 700-acre tract slated for development. The Algonquin to Adirondack initiative, modeled after Y2Y, has focused research efforts on improving connectivity around the Great Lakes Region. Conservation groups from the United States and Canada have worked together to plan a series of marine priority areas from Baja California to the Bering Sea, allowing both nations to protect species of mutual concern.<ref name="RTW"/>

====Protecting Predators====

There have been multiple projects launched to protect North America's carnivores, one of the main components of the '3 C's' approach to rewilding. Reed Noss, an early advocate for rewilding, began working on reserve designs as early as the 1980s to protect Florida's largest predators: the [Florida panther](/source/Florida_panther) and the [Florida black bear](/source/Florida_black_bear). Noss' initial plan envisioned 60% of Florida's land set aside for wildlife reserves and proved so influential that the Florida State legislature set aside $3.2 billion to buy land for a network of reserves and corridors between them.<ref name="RTW" />

At the same time, a group based in Washington D.C. called Defenders of Wildlife began promoting protection of predators across the country, including [grizzly bear](/source/grizzly_bear)s, [wolves](/source/wolves), and [river otter](/source/North_American_river_otter)s. In 1987, they set up the Bailey Wildlife Foundation Wolf Compensation Trust to pay ranchers back for the loss of livestock due to predation in an attempt to raise support for rewilding among farmers, who are often some of the most vocal opponents of the conservation of large predators. In 1998, they launched another program to pay for fencing, alarms, and other methods that would protect livestock in a way that didn't harm predators. However, this approach has been largely unsuccessful at bolstering the native wolf population because of continued shooting of wolves, both illegally and permitted by the USFWS.<ref name="RTW" />

====New York====

Fresh Kills landfill, located on Staten Island, was once home to 150 million tons of trash. However, plans created between 2001 and 2006 reimagined it as a 2,200-acre park, the largest park built in the state of New York in over a century. Construction began in 2008 to restore the area to its original wetland ecosystem, complete with open waterways, sweet-gum swamps, prairies, and meadows of wildflowers. Part of initial plans involved removing invasive reed species and replacing them native marsh grasses. The project is slated to take up to thirty years to complete, with the end goal of combining ecological restoration with recreational activities.<ref name="RTW" />

While planning for [Fresh Kills Park](/source/Freshkills_Park), New York State initiated an even more ambitious program focused on protecting the broader ecosystem around Staten Island by restoring the Hudson River. In 2005, the organizations involved came up with a few goals for the project: re-invigorating the river's fisheries, improving water quality by removing contaminants, and preserving shoreline and forested habitats upriver. When the project is complete, it will affect fifty thousand acres containing six different habitat types.<ref name="RTW" />

====Mexico====

In the Mexican state of Sonora, the Northern Jaguar Project bought 45,000 acres of land by 2007 devoted to protecting the northernmost breeding population of [jaguar](/source/jaguar)s. The group also encouraged local people to help them monitor the population by offering a $500 reward for each photograph of a living cat taken by ranch owners who promised not to shoot jaguars on their property. In its first year, the program paid out $6,500 for photos of jaguars, [mountain lion](/source/mountain_lion)s, and [ocelot](/source/ocelot)s.<ref name="RTW" />

=== Central America ===
====Paseo Pantera/Mesoamerican Biological Corridor====
In the early 1990s, the Wildlife Conservation Society proposed a plan for a major corridor project that would span from Southern Mexico down into Panama, connecting existing reserves, parks, and undisturbed forests of all seven Central American countries and the lower five Mexican states. They called the plan "Paseo Pantera," or "the path of the panther," named so because of the movement of mountain lions throughout the area.<ref name="RTW" /> The plan attracted a lot of controversy: indigenous peoples were concerned that their land would be taken from them to be converted into parks, and some activists claimed that the program was setting the environment above human needs. These arguments caused the project to be reviewed and refashioned. In 1997, the new plan, renamed the "[Mesoamerican Biological Corridor](/source/Mesoamerican_Biological_Corridor)," was unveiled as a conservation project that also promoted the welfare of indigenous people and local economies.<ref name="RTW" />

Despite the changes, the Mesoamerican Corridor still had some flaws, most notably with regard to land use. The plan necessitated reaching agreements with numerous villages to decide what zoning for protected areas meant for the local people, how it would be enforced, and where hunting and fishing would be allowed. Rural people were largely unimpressed with the vague nature of the outline, so progress was slow. In 2005, the Central American Free Trade Agreement promised to develop many of the same areas the Mesoamerican Corridor sought to protect, but conservationists refused to oppose the development for fear of losing funding. By 2006, hundreds of millions of dollars had been spent on preserving the corridor, but only one small protected area had been created.<ref name="RTW" />

====Costa Rica====
Costa Rica's [Osa Peninsula](/source/Osa_Peninsula) is one of the most biodiverse places on the planet. In 1975, the Nature Conservancy worked with the Costa Rican government to create the first national park in the country: [Corcovado](/source/Corcovado_National_Park). The park originally spanned 86,000 acres, nearly a third of the peninsula. The Nature Conservancy wanted to establish it as a refuge for the dozens of endemic species that occur in this small stretch of habitat.<ref name="RTW" /> However, the project has faced many setbacks since its establishment. Conservationists quickly realized that it was too small to protect many critical species, including the [jaguar](/source/jaguar), [peccary](/source/peccary), and [harpy eagle](/source/harpy_eagle). Gold was discovered in Corcovado around the same time as the park was established, and some of the natural areas within the park were illegally destroyed by miners. Programs to engage local people in conservation efforts quickly failed because of a lack of funding, causing people living on the border to become increasingly hostile towards the project. Lack of financial resources caused many people to resort to poaching within the park's borders or shooting jaguars that ate their crops.<ref name="RTW" />

Conservation groups hoped to solve these problems by launching another initiative, the Osa Biological Corridor project. The plan was designed to enlarge currently protected areas on the peninsula, and hopes to devote $10 million to develop community support for rewilding by providing education programs and new jobs protecting the reserves.<ref name="RTW" />

=== South America ===
====Argentina====
In 1997, [Douglas](/source/Douglas_Tompkins) and [Kris Tompkins](/source/Kris_Tompkins) created 'The Conservation Land Trust Argentina' with the goal of transforming the [Iberá Wetlands](/source/Iber%C3%A1_Wetlands). In 2018, thanks to a team of conservationists and scientists, and a donation of {{cvt|195,094|ha}} of land by Kris Tompkins, an area was converted into a [National Park](/source/Iber%C3%A1_National_Park), and species such as the [giant anteater](/source/giant_anteater), [pampas deer](/source/pampas_deer), [collared peccary](/source/collared_peccary), [red and green macaw](/source/red_and_green_macaw), [giant river otter](/source/giant_river_otter), and the [jaguar](/source/jaguar) which have all became extinct in the region for several decades that have now been [reintroduced](/source/Species_reintroduction). A spin-off of the Tompkins Foundation, [Rewilding Argentina](/source/Rewilding_Argentina), is an organization dedicated to the restoration of El [Impenetrable National Park](/source/El_Impenetrable_National_Park), in Chaco, Patagonia Park, in [Santa Cruz](/source/Santa_Cruz_Province%2C_Argentina), and the Patagonian coastal area in the province of [Chubut](/source/Chubut_Province), in addition to Iberá National Park.<ref name="INFOBAE">{{cite web |author=Belen Filgueira |date=March 2022 |title=La ciencia detrás del rewilding, la estrategia de restauración biológica que revoluciona la conservación de la naturaleza |url=https://www.infobae.com/america/ciencia-america/2022/03/27/la-ciencia-detras-del-rewilding-la-estrategia-de-restauracion-biologica-que-revoluciona-la-conservacion-de-la-naturaleza/ |access-date=30 November 2020 |publisher=[Infobae](/source/Infobae) |archive-date=28 March 2022 |archive-url=https://web.archive.org/web/20220328163542/https://www.infobae.com/america/ciencia-america/2022/03/27/la-ciencia-detras-del-rewilding-la-estrategia-de-restauracion-biologica-que-revoluciona-la-conservacion-de-la-naturaleza/ |url-status=live}}</ref>

==== Brazil====
The [red-rumped agouti](/source/red-rumped_agouti), [Yellow-footed tortoise](/source/Yellow-footed_tortoise), [brown howler monkey](/source/Brown_howler), and [Blue and gold macaw](/source/Blue_and_gold_macaw) were reintroduced in [Tijuca National Park](/source/Tijuca_National_Park) (Rio de Janeiro state, Brazil), between 2010 and 2025 with the goal of restoring seed dispersal.<ref name=":1">{{Cite journal |last1=Fernandez |first1=Fernando A. S. |last2=Rheingantz |first2=Marcelo L. |last3=Genes |first3=Luísa |last4=Kenup |first4=Caio F. |last5=Galliez |first5=Maron |last6=Cezimbra |first6=Tomaz |last7=Cid |first7=Bruno |last8=Macedo |first8=Leandro |last9=Araujo |first9=Bernardo B. A. |last10=Moraes |first10=Bruno S. |last11=Monjeau |first11=Adrian |date=1 October 2017 |title=Rewilding the Atlantic Forest: Restoring the fauna and ecological interactions of a protected area |journal=Perspectives in Ecology and Conservation |language=en |volume=15 |issue=4 |pages=308–314 |bibcode=2017PEcoC..15..308F |doi=10.1016/j.pecon.2017.09.004 |issn=2530-0644 |doi-access=free |hdl-access=free |hdl=11336/70388}}</ref>  Prior to the reintroductions, the national park did not have large or intermediate -sized seed dispersers, the increased dispersal of tree seeds following the reintroductions therefore had a significant effect on forest regeneration in the park.<ref name=":1" /> This is significant since the Tijuca National Park is part of heavily fragmented [Atlantic Forest](/source/Atlantic_Forest) and there is potential to restore many more seed dispersal interactions if seed dispersing mammals and birds are reintroduced to forest patches where the tree species diversity remains high.<ref>{{Cite journal |last1=Marjakangas |first1=Emma-Liina |last2=Genes |first2=Luísa |last3=Pires |first3=Mathias M. |last4=Fernandez |first4=Fernando A. S. |last5=de Lima |first5=Renato A. F. |last6=de Oliveira |first6=Alexandre A. |last7=Ovaskainen |first7=Otso |last8=Pires |first8=Alexandra S. |last9=Prado |first9=Paulo I. |last10=Galetti |first10=Mauro |date=5 December 2018 |title=Estimating interaction credit for trophic rewilding in tropical forests |journal=Philosophical Transactions of the Royal Society B: Biological Sciences |volume=373 |issue=1761 |article-number=20170435 |doi=10.1098/rstb.2017.0435 |pmc=6231069 |pmid=30348879}}</ref>

The Cerrado-Pantanal Ecological Corridors Project was proposed in the 1990s to restore connectivity between two of Brazil's core reserves: [Emas National Park](/source/Emas_National_Park) and the [Pantanal](/source/Pantanal), one of the world's largest wetlands.<ref name="RTW" /> It made significant progress in the early 2000s because of plans to conserve mainly areas with low human density. Another reason for wider support was because of a fund started to compensate farmers that lost livestock to the big cats that conservationists hope to protect using these corridors, and healthcare programs that provided free services to ranchers who committed to not killing critically endangered [jaguar](/source/jaguar)s.<ref name="RTW" />

=== Australia ===
[Colonisation](/source/Colonisation_of_Australia) has had a significant impact on Australia's native flora and fauna, and the introduction of [red foxes](/source/red_foxes_in_Australia) and [cats](/source/feral_cats_in_Australia) has devastated many of the smaller ground-dwelling mammals. The island state of [Tasmania](/source/Tasmania) has become an important location for rewilding efforts because, as an island, it is easier to remove feral cat populations and manage other invasive species. The reintroduction and management of the [Tasmanian devil](/source/Tasmanian_devil) in this state, and [dingo](/source/dingo)es on the mainland, is being trialed in an effort to contain introduced predators, as well as over-populations of [kangaroo](/source/kangaroo)s.<ref name="tas">{{cite web |last=Oliver |first=Megan |date=8 March 2023 |title=Tasmania 'vital location' in 'rewilding' efforts to rebuild native animal populations |url=https://www.abc.net.au/news/2023-03-08/scientists-rewilding-native-species-say-tasmania-key-to-success/102048758 |access-date=14 April 2023 |website=[ABC News (Australia)](/source/ABC_News_(Australia)) |archive-date=14 April 2023 |archive-url=https://web.archive.org/web/20230414011644/https://www.abc.net.au/news/2023-03-08/scientists-rewilding-native-species-say-tasmania-key-to-success/102048758 |url-status=live}}</ref>

Gondwana Link, a plan conceived in 2002, was devised to connect two Australian national parks: Stirling Range and Fitzgerald River National Park. Much of this land had been severely degraded by harmful farming practices, and was barren of most plant and animal life. Organizers of the project worked on revegetating the land with native plant species, fifty of which were found nowhere else on Earth, in the hopes that they would attract wildlife back to the area.<ref name="RTW" /> Five years later, they had planted over 100 species of native plants, and multiple reptiles species had been spotted coming back to the region. By 2009, the Gondwana Link included over 23,000 acres of protected land.<ref name="RTW" />

[WWF-Australia](/source/WWF-Australia) runs a program called 'Rewilding Australia' whose projects include restoring the [platypus](/source/platypus) in the [Royal National Park](/source/Royal_National_Park), south of [Sydney](/source/Sydney), [eastern quoll](/source/eastern_quoll)s in the [Booderee National Park](/source/Booderee_National_Park) in [Jervis Bay](/source/Jervis_Bay) and at Silver Plains in [Tasmania](/source/Tasmania), and [brush-tailed bettong](/source/brush-tailed_bettong)s in the [Marna Banggara](/source/Marna_Banggara) project on the [Yorke Peninsula](/source/Yorke_Peninsula) in [South Australia](/source/South_Australia).<ref>{{cite web |title=Rewilding Australia |url=https://www.wwf.org.au/rewildingaustralia |access-date=14 April 2023 |website=WWF-Australia }}{{Dead link|date=April 2024 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> Other projects around the country include:<ref name="tas" />
*[Barrington Wildlife Sanctuary](/source/Barrington_Wildlife_Sanctuary), NSW
*Mongo Valley, NSW
*Bungador Stoney Rises Nature Reserve, Victoria
*[Mount Zero-Taravale Sanctuary](/source/Mount_Zero-Taravale_Sanctuary), Queensland 
*[Dirk Hartog Island National Park](/source/Dirk_Hartog_Island_National_Park), Western Australia
*Marna Banggara, SA 
*[Clarke Island/Lungtalanana](/source/Clarke_Island_(Tasmania)), Tasmania
*[Hanlon Park / Bur'uda](/source/Hanlon_Park_%2F_Bur'uda), Queensland

=== Europe ===
alt=Overgrown grass with a blue sign that reads "This grass is managed by cutting 3-4 times a year to encourage wildflowers and grasses. It is used for ecology training."|thumb|Urban green space at Trinity College Dublin that has been left to overgrow intentionally.
In 2011, the '[Rewilding Europe](/source/Rewilding_Europe)' initiative was established with the aim of rewilding one million hectares of land in ten areas including the western [Iberian Peninsula](/source/Iberian_Peninsula), [Velebit](/source/Velebit), the [Carpathians](/source/Carpathian_Mountains) and the [Danube delta](/source/Danube_Delta) by 2020.<ref>{{cite web |title=The Foundation » Rewilding Europe A new beginning. For wildlife. For us. |url=http://www.rewildingeurope.com/about-us/the-foundation/ |archive-url=https://web.archive.org/web/20120209211815/http://www.rewildingeurope.com/about-us/the-foundation |archive-date=9 February 2012 |website=www.rewildingeurope.com}}</ref> The project considers reintroductions of species that are still present in Europe such as the [Iberian lynx](/source/Iberian_lynx), [Eurasian lynx](/source/Eurasian_lynx), [grey wolf](/source/grey_wolf), [European jackal](/source/European_jackal), [brown bear](/source/brown_bear), [chamois](/source/chamois), [Iberian ibex](/source/Iberian_ibex), [European bison](/source/European_bison), [red deer](/source/red_deer), [griffon vulture](/source/griffon_vulture), [cinereous vulture](/source/cinereous_vulture), [Egyptian vulture](/source/Egyptian_vulture), [great white pelican](/source/great_white_pelican) and [horned viper](/source/Vipera_ammodytes), along with primitive [domestic horse](/source/domestic_horse) and [cattle](/source/cattle) breeds as proxies for the extinct [tarpan](/source/tarpan) and [aurochs](/source/aurochs) (the wild ancestors of domestic cattle) respectively. Since 2012, Rewilding Europe has been heavily involved in the [Tauros Programme](/source/Tauros_Programme), which seeks to create a breed of cattle that resembles the aurochs by selectively breeding existing breeds of cattle.<ref name="RWE121108" /> Projects also employ domestic water buffalo as a grazing analogue for the extinct [European water buffalo](/source/Bubalus_murrensis).<ref>{{Citation |title=Reviving Europe |url=https://e360.yale.edu/features/reviving_europes_biodiversity_by_importing_exotic_animals |access-date=29 May 2018 |archive-date=28 November 2019 |archive-url=https://web.archive.org/web/20191128041807/https://e360.yale.edu/features/reviving_europes_biodiversity_by_importing_exotic_animals |url-status=live}}</ref>

[European Wildlife](/source/European_Wildlife), established in 2008, advocates the establishment of a ''European Centre of Biodiversity'' at the German–Austrian–Czech borders, and the [Chernobyl exclusion zone](/source/Chernobyl_exclusion_zone) in [Ukraine](/source/Ukraine).
thumb|Map of the European Green Belt

==== European Green Belt ====
The [European Green Belt](/source/European_Green_Belt) is a proposed rewilding zone that is envisioned running through over a dozen European countries using land that was historically part of the physical boundaries of the Iron Curtain. When completed, the European Green Belt will stretch over five thousand miles, from the Barents Sea off the northern coast of Norway to the Black Sea in southeast Europe.<ref name="RTW" /> The corridor is composed of three main sections: the Fennoscandian Green Belt running through Norway, Finland, and Russia, the Central Green Belt located in parts of Germany, the Czech Republic, Austria, Slovakia, Hungary, Slovenia, and Italy, and the Balkan Green Belt in Macedonia, Romania, Bulgaria, Albania, Greece, and Turkey. It will link core reserves and parks like the Bavarian Forest in Germany, the Danube-March floodplains in Austria and Slovakia, and Sumava National Park in the Czech Republic. Proponents of the European Green Belt hope that it will increase ecotourism and sustainable farming practices across Europe.<ref name="RTW" />

==== Austria ====
[Der Biosphärenpark Wienerwald](/source/%3Ade%3ABiosph%C3%A4renpark_Wienerwald) was created in Austria in  2003 with 37 ''kernzonen'' (core zones) covering a total of 5,400 ha designated free from human interference.<ref>{{Cite news |title=Kernzonen |newspaper=Biosphärenpark Wienerwald |url=https://www.bpww.at/de/artikel/kernzonen |access-date=18 October 2021 |archive-date=18 October 2021 |archive-url=https://web.archive.org/web/20211018223153/https://www.bpww.at/de/artikel/kernzonen |url-status=live}}</ref>

====Britain ====
thumb|Stork nest at Knepp Wildland. In 2020, white stork were observed raising chicks here for the first time in Britain in 600 years.
[Rewilding Britain](/source/Rewilding_Britain), a charity founded in 2015, aims to promote rewilding in Britain and is a leading advocate of rewilding.<ref>{{cite web |author=Boyd Tonkin |date=17 July 2015 |title='Rewilding' would create a theme park, not a return to nature |url=https://www.independent.co.uk/voices/comment/rewilding-would-create-a-theme-park-not-a-return-to-nature-10397487.html |work=The Independent |access-date=29 June 2022 |archive-date=29 June 2022 |archive-url=https://web.archive.org/web/20220629095736/https://www.independent.co.uk/voices/comment/rewilding-would-create-a-theme-park-not-a-return-to-nature-10397487.html |url-status=live}}</ref>  Rewilding Britain has laid down 'five principles of rewilding' which it expects to be followed by affiliated rewilding projects.<ref>"At Rewilding Britain, we believe in these five principles for rewilding. We ask network members to confirm that their project is in line with these principles"[https://rewildingbritain.beaconforms.com/form/e92f08e9] {{Webarchive|url=https://web.archive.org/web/20220105071643/https://rewildingbritain.beaconforms.com/form/e92f08e9|date=5 January 2022}}</ref><ref>{{cite web |title=Defining rewilding |url=https://www.rewildingbritain.org.uk/explore-rewilding/what-is-rewilding/defining-rewilding |access-date=29 June 2022 |archive-date=29 June 2022 |archive-url=https://web.archive.org/web/20220629141231/https://www.rewildingbritain.org.uk/explore-rewilding/what-is-rewilding/defining-rewilding |url-status=live}}</ref> These are to support people and nature together, to 'let nature lead', to create resilient local economies, to 'work at nature's scale', and to secure benefits for the long-term.

[Celtic Reptile and Amphibian](/source/Celtic_Reptile_%26_Amphibian) is a limited company established in 2020, with the aim of reintroducing extinct species of [reptile](/source/reptile) and [amphibian](/source/amphibian) (such as the [European pond turtle](/source/European_pond_turtle),<ref>{{Cite web |title=Pleistocene occurrences of the European pond tortoise (Emys orbicularis L.) in Britain {{!}} Request PDF |url=https://www.researchgate.net/publication/229994135 |access-date=27 October 2021 |website=ResearchGate |language=en}}</ref> [moor frog](/source/moor_frog), [agile frog](/source/agile_frog),<ref>{{Cite journal |last=Gleed-Owen |first=Chris Paul |date=March 2000 |title=Subfossil records of Rana cf. lessonae, Rana arvalis and Rana cf. dalmatina from Middle Saxon (c. 600-950 AD) deposits in eastern England: Evidence for native status |url=https://www.researchgate.net/publication/233389354 |journal=Amphibia-Reptillia |volume=21 |pages=57–65 |doi=10.1163/156853800507273 |via=Research Gate |doi-access=free}}</ref> [common tree frog](/source/European_tree_frog) and [pool frog](/source/pool_frog))<ref>{{Cite web |date=10 January 2021 |title='Who doesn't love a turtle?' The teenage boys on a mission – to rewild Britain with reptiles |url=http://www.theguardian.com/environment/2021/jan/10/who-doesnt-love-a-turtle-the-teenage-boys-on-a-mission-to-rewild-britain-with-reptiles |access-date=27 October 2021 |website=The Guardian |language=en |archive-date=29 October 2021 |archive-url=https://web.archive.org/web/20211029150839/https://www.theguardian.com/environment/2021/jan/10/who-doesnt-love-a-turtle-the-teenage-boys-on-a-mission-to-rewild-britain-with-reptiles |url-status=live}}</ref><ref>{{Cite web |title=Guest blog by Celtic Reptile and Amphibian - Mark Avery |url=https://markavery.info/2021/01/14/guest-blog-by-celtic-reptile-and-amphibian/ |access-date=27 October 2021 |website=markavery.info |archive-date=27 October 2021 |archive-url=https://web.archive.org/web/20211027210617/https://markavery.info/2021/01/14/guest-blog-by-celtic-reptile-and-amphibian/ |url-status=live}}</ref> to Britain. Success has already been achieved with the [captive breeding](/source/captive_breeding) of the moor frog.<ref>{{Cite news |last=Horton |first=Helena |date=6 April 2021 |title=Frog turns blue for first time in 700 years amid calls for rare amphibians to be reintroduced to Britain |language=en-GB |work=The Telegraph |url=https://www.telegraph.co.uk/news/2021/04/06/frog-turns-blue-first-time-700-years-amid-calls-rare-amphibians/ |access-date=27 October 2021 |issn=0307-1235 |archive-date=27 October 2021 |archive-url=https://web.archive.org/web/20211027210617/https://www.telegraph.co.uk/news/2021/04/06/frog-turns-blue-first-time-700-years-amid-calls-rare-amphibians/ |url-status=live}}</ref> A reintroduction trial of the European pond turtle to its historic, Holocene range in the [East Anglia](/source/East_Anglia)n Fens, [Brecks](/source/Breckland) and [Broads](/source/The_Broads) has been initiated, with support from the [University of Cambridge](/source/University_of_Cambridge).<ref>{{Cite web |last=Barkham |first=Patrick |date=7 July 2023 |title=European pond turtle could return to British rivers and lakes |website=[TheGuardian.com](/source/TheGuardian.com) |url=https://www.theguardian.com/environment/2023/jul/07/european-pond-turtle-could-return-to-british-rivers-and-lakes |access-date=14 November 2023 |archive-date=27 October 2023 |archive-url=https://web.archive.org/web/20231027144516/https://www.theguardian.com/environment/2023/jul/07/european-pond-turtle-could-return-to-british-rivers-and-lakes |url-status=live}}</ref>

In 2020, nature writer [Melissa Harrison](/source/Melissa_Harrison) reported a significant increase in attitudes supportive of rewilding among the British public, with plans recently approved for the release of European bison, Eurasian elk, and [great bustard](/source/great_bustard) in England, along with calls to rewild as much as 20% of the land in East Anglia, and even return apex predators such as the Eurasian lynx, brown bear, and grey wolf.<ref name="forestSchools">{{cite web |author=Melissa Harrison |author-link=Melissa Harrison |date=21 November 2020 |title=From rewilding to forest schools, our attitude to nature is changing for the better |url=https://www.theguardian.com/commentisfree/2020/nov/21/rewilding-forest-schools-nature-uk-habitats |access-date=29 November 2020 |work=[The Guardian](/source/The_Guardian) |archive-date=28 November 2020 |archive-url=https://web.archive.org/web/20201128234209/https://www.theguardian.com/commentisfree/2020/nov/21/rewilding-forest-schools-nature-uk-habitats |url-status=live}}</ref><ref>{{cite web |author=Stephen Moss |author-link=Stephen Moss |date=21 November 2020 |title=Missing lynx: how rewilding Britain could restore its natural balance |url=https://www.theguardian.com/environment/2020/jul/12/missing-lynx-how-rewilding-britain-could-restore-its-natural-balance |access-date=29 November 2020 |work=[The Guardian](/source/The_Guardian) |archive-date=26 November 2020 |archive-url=https://web.archive.org/web/20201126151054/https://www.theguardian.com/environment/2020/jul/12/missing-lynx-how-rewilding-britain-could-restore-its-natural-balance |url-status=live}}</ref><ref name="Bison" /> More recently, academic work on rewilding in England has highlighted that support for rewilding is by no means universal. As in other countries, rewilding in England remains controversial to the extent that some of its more ambitious aims are being 'domesticated' both in a proactive attempt to make it less controversial and in reactive response to previous controversy.<ref>{{Cite journal |last=Thomas |first=Virginia |date=2022 |title=Domesticating Rewilding: Interpreting Rewilding in England's Green and Pleasant Land |url=https://www.ingentaconnect.com/content/whp/ev/pre-prints/content-whp_ev_3191;jsessionid=2dk90f8e6kmsb.x-ic-live-01 |journal=Environmental Values |language=en |volume=31 |issue=5 |pages=515–532 |doi=10.3197/096327121x16328186623841 |s2cid=244335279 |access-date=10 January 2022 |hdl-access=free |hdl=10871/127170}}</ref> Projects may also refer to their activity using terminology other than 'rewilding', possibly for political and diplomatic reasons, taking account of local sentiment or possible opposition. Examples include 'Sanctuary Nature Recovery Programme' (at Broughton) and 'nature restoration project', the preferred term used by the Cambrian Wildwood project, an area aspiring to encompass 7,000 acres in Wales.<ref>"The project is not promoted as rewilding due to local sensitivities around the term, but as a nature restoration project it has similarities to other projects in the Network" [https://www.rewildingbritain.org.uk/rewilding-projects/cambrian-wildwood-coetir-anian] {{Webarchive|url=https://web.archive.org/web/20220629141530/https://www.rewildingbritain.org.uk/rewilding-projects/cambrian-wildwood-coetir-anian|date=29 June 2022}}</ref>

Notable rewilding sites include:
*[Knepp Wildland](/source/Knepp_Wildland). The 3,500-acre (1,400 hectare)<ref name="FT">{{cite web |date=28 September 2018 |title=Rewilding revives a country estate |url=https://www.ft.com/content/77068fa4-bfe5-11e8-95b1-d36dfef1b89a |work=Financial Times |access-date=29 June 2022 |archive-date=29 June 2022 |archive-url=https://web.archive.org/web/20220629092540/https://www.ft.com/content/77068fa4-bfe5-11e8-95b1-d36dfef1b89a |url-status=live}}</ref> [Knepp Castle](/source/Knepp_Castle) estate in West Sussex was the first major pioneer of rewilding in England, and started that land-management policy there in 2001<ref>"Looking at rewilding at Knepp. Alastair Driver of Rewilding Britain discusses the process of rewilding, and talks about trees, timber and tree planting. Filmed at Knepp in the summer of 2021", video by woodforthetrees.uk, 2021 [https://www.youtube.com/watch?v=BeGwc1NL7aw] {{Webarchive|url=https://web.archive.org/web/20220629084819/https://www.youtube.com/watch?v=BeGwc1NL7aw&gl=US&hl=en|date=29 June 2022}}</ref><ref>Further reading: Isabella Tree, ''Wilding: The return of Nature to a British Farm'', charting her rewilding project at Knepp</ref> on land formerly used as dairy farmland.<ref name="FT" /> Rare species including [common nightingale](/source/common_nightingale), turtle doves, [peregrine falcon](/source/peregrine_falcon)s and [purple emperor](/source/Apatura_iris) butterflies are now breeding at Knepp and populations of more common species are increasing.<ref name="Knepp">{{cite web |last1=Tree |first1=Isabella |title=Rewilding in West Sussex |url=https://knepp.co.uk/home |access-date=3 January 2022 |website=Knepp Wildland |publisher=Knepp Castle Estates |archive-date=19 December 2021 |archive-url=https://web.archive.org/web/20211219211700/https://knepp.co.uk/home |url-status=live}}</ref> In 2019 a pair of [white stork](/source/white_stork)s  built a nest in an oak tree at Knepp. The storks were part of a group imported from Poland as a result of a programme to reintroduce the species to England run by the [Roy Dennis Wildlife Foundation](/source/Roy_Dennis_Wildlife_Foundation) which has overseen reintroductions of other bird species to the UK.<ref>{{Cite web |date=8 July 2019 |title=Storks are back in Britain – and they're a beacon of hope for all of us {{!}} Isabella Tree |url=http://www.theguardian.com/commentisfree/2019/jul/08/storks-britain-environmental-hope-rewilding-project-sussex |access-date=30 January 2021 |website=The Guardian |language=en |archive-date=23 January 2021 |archive-url=https://web.archive.org/web/20210123215922/https://www.theguardian.com/commentisfree/2019/jul/08/storks-britain-environmental-hope-rewilding-project-sussex |url-status=live}}</ref>
* [Broughton Hall](/source/Broughton_Hall%2C_North_Yorkshire) Estate, Yorkshire. In 2021, approximately 1,100 acres (a third of the estate)<ref>{{cite web |title=Broughton Sanctuary |url=https://www.rewildingbritain.org.uk/rewilding-projects/broughton-sanctuary |access-date=29 June 2022 |archive-date=26 June 2022 |archive-url=https://web.archive.org/web/20220626145401/https://www.rewildingbritain.org.uk/rewilding-projects/broughton-sanctuary |url-status=live}}</ref> was devoted to rewilding with advice from Prof. [Alastair Driver](/source/Alastair_Driver) of [Rewilding Britain](/source/Rewilding_Britain).<ref>{{cite web |date=2021 |title=Nature Recovery FAQs |url=https://www.broughtonhall.co.uk/nature-recovery-faqs |access-date=15 September 2022 |publisher=[Broughton Hall, North Yorkshire](/source/Broughton_Hall%2C_North_Yorkshire) |archive-date=15 September 2022 |archive-url=https://web.archive.org/web/20220915091504/https://www.broughtonhall.co.uk/nature-recovery-faqs |url-status=live}}</ref>
* [Mapperton Estate](/source/Mapperton), Dorset. In 2021, a 200-acre farm (one of the five farms comprising the estate) began the process of rewilding.<ref>"In this first episode of Rewilding Mapperton, Luke describes his plans to allow nature to take over at Coltleigh Farm, and how Mapperton has been inspired by the pioneering Knepp Estate in Sussex", 2021 [https://www.youtube.com/watch?v=_pPuouilQzw] {{Webarchive|url=https://web.archive.org/web/20220629084819/https://www.youtube.com/watch?v=_pPuouilQzw&gl=US&hl=en|date=29 June 2022}}</ref>
* [Alladale Wilderness Reserve](/source/Alladale_Wilderness_Reserve), Sutherland, Scotland. This 23,000-acre estate hosts many wildlife species and engages in rewilding projects such as [peatland](/source/Mire) and forest restoration, captive breeding of the [Scottish wildcat](/source/Scottish_wildcat), and reintroduction of the [red squirrel](/source/red_squirrel). Visitors can engage in outdoor recreation and education programs.<ref>{{Cite web |date=18 November 2022 |title=Home - Alladale |url=https://alladale.com/ |access-date=6 August 2023 |language=en-GB |archive-date=6 August 2023 |archive-url=https://web.archive.org/web/20230806150329/https://alladale.com/ |url-status=live}}</ref>

The British radio drama series ''[The Archers](/source/The_Archers)'' featured rewilding areas in storylines in 2019 and 2020.<ref>{{cite web |title=Restoring Nature and Climate Change |url=https://hansard.parliament.uk/commons/2019-10-28/debates/B12362DC-0F6A-481B-A1E6-973776F0F9F9/RestoringNatureAndClimateChange |website=Hansard |access-date=28 June 2024}}</ref><ref>{{cite web |title=Synopses for 2020 |url=https://ambridgereporter.org.uk/synopses/2020.html#December |website=ambridgereporter.org.uk |access-date=28 June 2024}}</ref>

In November 2023, ''[Tatler](/source/Tatler)'' described rewilding as being part of the worldview of the bopea ("bohemian peasant") movement, an elite British socio-cultural group.<ref>{{Cite web |last=Delaney |first=Evie |date=2023-11-17 |title=On England's pleasant pastures seen: Rural rules the roost in the new class of bohemian peasants or 'Bopeas' |url=https://www.tatler.com/article/bopea-cultural-movement-bohemian-peasants-king-charles-rewilding-fermenters |access-date=2025-01-11 |website=Tatler |language=en-GB}}</ref>

==== The Netherlands ====
thumb|Konik ponies in the Oostvaardersplassen reserve
In the 1980s, analogue species (Konik ponies, [Heck cattle](/source/Heck_cattle) and red deer) were introduced to the [Oostvaardersplassen](/source/Oostvaardersplassen) nature reserve, an area covering over {{convert|56|km2}}, in order to (re)create a grassland ecology by  keeping the landscape open by naturalistic grazing.<ref name="TS140501" /><ref name="TNY1212" /> This approach followed [Vera's](/source/Frans_Vera) '[wood-pasture hypothesis'](/source/wood-pasture_hypothesis) that grazing animals played a significant role in shaping European landscapes before the [Neolithic](/source/Neolithic) period. Though not explicitly referred to as rewilding, many of the project's intentions were in line with those of rewilding. The case of the Oostvaardersplassen is considered  controversial due to the lack of predators, and its management can be seen as having to contend with conflicting ideas regarding nature.<ref>{{Cite web |title=Wayback Machine |url=https://uu.diva-portal.org/smash/get/diva2:1523877/FULLTEXT01.pdf |archive-url=http://web.archive.org/web/20240529005224/https://uu.diva-portal.org/smash/get/diva2:1523877/FULLTEXT01.pdf |archive-date=2024-05-29 |access-date=2026-05-22 |website=uu.diva-portal.org}}</ref>

=== Africa ===
[[File:Lioness (Panthera leo) (6871765268).jpg|thumb|Lioness in [Kgalagadi Transfrontier Park](/source/Kgalagadi_Transfrontier_Park)]]
In the 1990s and early 2000s, several multi-nation rewilding projects were suggested across Africa. Some notable examples are:
* The Tri-National de la Sangha, a plan focused on joining three national parks in Cameroon, the Republic of the Congo, and the Central African Republic. The goal was to restore a large area of rainforest to protect the region's forest elephants, lowland gorillas, and the historical territory of the [Ba'Aka pygmy people](/source/Baka_people_(Cameroon_and_Gabon)).<ref name="RTW" />
* The [Great Limpopo Transfrontier Park](/source/Great_Limpopo_Transfrontier_Park), proposed to protect elephants by expanding South Africa's largest national park, Kruger, and connecting it to Zimbabwe's Gonarezhou National Park and Mozambique's Coutada 16, a previous hunting concession.<ref name="RTW" />
* The [Kgalagadi Transfrontier Park](/source/Kgalagadi_Transfrontier_Park), conceived to join two existing parks in Botswana and South Africa, protecting the wildlife that relied on the region's desert habitat. This park, spanning over 14,000 square miles, was officially established in 2000.<ref name="RTW" />
* The [Lubombo Transfrontier Conservation Area](/source/Lubombo_Transfrontier_Conservation_Area), designed to create a corridor for elephants through Mozambique, Eswatini, and South Africa. The reserve was formally established in 2000, and has been widely recognized for working with local communities and creating jobs in conservation.<ref name="RTW" />
* The [Kavango-Zambezi Transfrontier Conservation Area](/source/Kavango%E2%80%93Zambezi_Transfrontier_Conservation_Area) (KAZA), the largest proposed wilderness reserve in the world, covering nearly 116,000 square miles. The project would connect thirty-six protected areas across five countries: Angola, Botswana, Namibia, Zambia, and Zimbabwe. KAZA was conceived with two main goals in mind: protecting the largest population of elephants in the world, and conserving scarce water resources by sustainably managing the region's wetlands.<ref name="RTW" />

==== Namibia ====
In 1996, Namibia passed the Nature Conservation Act, a law that allowed communities of civilians to create their own protected wildlife conservancies to develop the country's ecotourism sector. Conservancy creation was voluntary, but proved to be popular: by 2008, fifty-two conservancies were registered with the government, and fifteen more were seeking approval.<ref name="RTW" /> By this time, one in four rural Namibians were involved in conservation, and around fifteen percent of the country's land was protected. Conservancy committees were tasked with hiring park guards and rangers to crack down on illegal hunting, in exchange for limited hunting rights for conservancy members. The Namibian government relocated locally extirpated species to these newly protected areas, and community members monitored their flourishing population sizes.<ref name="RTW" />

One notable success of the Nature Conservation Act is Salambala, a conservancy established in 1998. The region, only 359 square miles large, went from having virtually no large game to boasting a population of elephants six hundred strong, a herd of fifteen hundred zebra, and three lion prides after twenty years.<ref name="RTW" /> Surveys conducted in the conservancy showed a 47 percent increase in wildlife sightings, just between 2004 and 2007. The local community was able to capitalize on the environmental success: by 2006, the community was earning thirty-seven times more revenue from tourism than they had been in 1998.<ref name="RTW" />

=== Asia ===
==== Nepal ====
King Mahendra was crowned king of Nepal in 1955. An avid hunter, King Mahendra and his son instituted Nepal's first Western-style national park, the [Royal Chitwan National Park](/source/Chitwan_National_Park), in 1973.<ref name="RTW" /> Establishment of the park led to an increase in research being done on Nepal's wildlife, including the Nepal Tiger Ecology Project, an eighteen-year-long field study conducted in Chitwan. Findings from this study convinced the Nepalese government to eventually enlarge the boundaries of Chitwan and join it with its neighboring Parsa and Valmiki wildlife reserves. In 1995, Nepal's Parliament ratified bylaws that required 50 percent of the revenue from park entrance fees to go towards programs that would benefit local people, providing funding to build better schools and clinics and bolstering public support for parks.<ref name="RTW" />

In 1993, Terai Arc Landscape Program (TAL) was started to restore forested corridors between Chitwan, other Nepalese parks like [Bardia National Park](/source/Bardiya_National_Park) and [Parsa Wildlife Reserve](/source/Parsa_National_Park), and Indian reserves along the countries' shared border. TAL's goal was to add "buffer zones" around the established parks and create pathways between them to facilitate the movement of large species like elephants, tigers, and rhino.<ref name="RTW" /> The project was initially successful, supporting over 600 endangered rhinos and attracting tens of thousands of tourists every year, but the success was disrupted by the Nepalese Civil War, which took place from 1996 to 2006. Hundreds of rhinos and tigers were killed during the war as a result of fewer park guards and governmental conservation groups growing disorganized by the war. By 2008, wildlife populations in the reserve began to grow again, but the war caused hundreds of thousands of dollars of damage to the project.<ref name="RTW" />

==== Indonesia ====
In 2001, conservationist [Willie Smits](/source/Willie_Smits) began buying land from a former palm oil plantation that has been ecologically destroyed by logging. He, along with a group of [Dayak](/source/Dayak_people) villagers in Indonesia's East Kalimantan province, replanted over twelve hundred species of trees on the land, which Smits renamed [Samboja Lestari](/source/Samboja_Lestari) or "Everlasting Forest."<ref name="RTW" /> The project's hopes of returning the land to a tropical rainforest seems to be working: by 2009, temperature within the regrown forest had dropped by three to five degrees Celsius, humidity has risen by 10 percent, and rainfall had increased by 25 percent. 137 species of birds now reside on the land, up from only five species that had lived in the logged area. The replanted forest is also home to nine species of primates, as of 2009.<ref name="RTW" />

== See also ==
* [Climate change mitigation effects of rewilding](/source/Climate_change_mitigation)
* [''Feral''](/source/Feral_(book)), a 2013 book about rewilding
* [Great Green Wall (Africa)](/source/Great_Green_Wall_(Africa))
* [Natural landscape](/source/Natural_landscape)
* [Permaculture](/source/Permaculture)
* [Sea rewilding](/source/Sea_rewilding)
* [Species reintroduction](/source/Species_reintroduction)
* [Urban prairie](/source/Urban_prairie)
* [Urban reforestation](/source/Urban_reforestation)
* [Urban rewilding](/source/Urban_rewilding)
* [Wildlife management](/source/Wildlife_management)
* [Trophic cascade](/source/Trophic_cascade)
* [Biomanipulation](/source/Biomanipulation)

== References ==
{{Reflist|refs=
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<ref name="MSRN2">Soule and Noss, "Rewilding and Biodiversity," p. 22.</ref>

<ref name="newmark1987">{{citation |title=A Land-Bridge Island Perspective on Mammalian Extinctions in Western North American Parks |journal=Nature |volume=325 |issue=6103 |pages=430–432 |first=William D. |last=Newmark |date=29 January 1987 |bibcode=1987Natur.325..430N |doi=10.1038/325430a0 |pmid=3808043 |hdl=2027.42/62554 |s2cid=4310316 |hdl-access=free}}</ref>

<ref name="stolzenburg2008">For more on the importance of predators, see William Stolzenburg, ''Where the Wild Things Were: Life, Death, and Ecological Wreckage in a Land of Vanishing Predators'' (New York: Bloomsbury, 2008).</ref>

<ref name="RMEW1967">{{citation |title=The Theory of Island Biogeography |first1=Robert H. |last1=MacArthur |first2=Edward O. |last2=Wilson |author-link1=Robert MacArthur |author-link2=E. O. Wilson |location=Princeton, New Jersey |publisher=Princeton University Press |year=1967}}</ref>

<ref name="DQ1996">{{citation |title=The Song of the Dodo: Island Biogeography in an Age of Extinctions |first=David |last=Quammen |publisher=Simon & Schuster |location=New York |year=1996}}</ref>

<ref name="quammen2">Quammen, ''Song of the Dodo'', pp. 443-446.</ref>

<ref name="fraser2009">{{citation |title=Rewilding the World: Dispatches from the Conservation Revolution |first=Caroline |last=Fraser |publisher=Metropolitan Books |location=New York |year=2009 |pages=32–35, 79–84, 119–128, 203–240, 326–330, 303–312}}</ref>

<ref name="manning2009">{{citation |title=Rewilding the West: Restoration in a Prairie Landscape |first=Richard |last=Manning |publisher=Berkeley: University of California Press |year=2009}}</ref>

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<ref name="TNY1212">{{cite magazine |url=http://www.newyorker.com/magazine/2012/12/24/recall-of-the-wild |title=Dept. of Ecology: Recall of the Wild |first=Elizabeth |last=Kolbert |magazine=The New Yorker |date=24 December 2012 |pages=50–60 |access-date=28 December 2015 |archive-date=3 January 2016 |archive-url=https://web.archive.org/web/20160103090608/http://www.newyorker.com/magazine/2012/12/24/recall-of-the-wild |url-status=live}}</ref>

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<ref name="Aldous1938">{{cite journal |last1=Aldous |first1=Shaler E. |title=Beaver Food Utilization Studies |journal=The Journal of Wildlife Management |date=1938 |volume=2 |issue=4 |pages=215–222 |doi=10.2307/3795668 |jstor=3795668}}</ref>
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==Further reading==
* Foreman, Dave (2004). ''Rewilding North America: A Vision for Conservation in the 21st Century'', Island Press. {{ISBN|978-1-55963-061-0}}
* Fraser, Caroline (2010). ''Rewilding the World: Dispatches from the Conservation Revolution'', Picador. {{ISBN|978-0-312-65541-9}}
* Hawkins, Convery, Carver & Beyers, eds. (2023). ''Routledge Handbook of Rewilding'', Routledge. 
* Jepson, Paul and Blythe, Cain (2022). ''Rewilding: The Radical New Science of Ecological Recovery (The Illustrated Edition)'', The MIT Press.
* MacKinnon, James Bernard (2013). ''The Once and Future World: Nature As It Was, As It Is, As It Could Be'', Houghton Mifflin Harcourt. {{ISBN|978-0-544-10305-4}}
* Monbiot, George (2013). ''[Feral: Rewilding the Land, the Sea, and Human Life](/source/Feral_(Monbiot_book))'', Penguin. {{ISBN|978-0-14-197558-0}}
* Monbiot, George (2022). ''Regenesis: Feeding the World without Devouring the Planet'', Penguin Books. {{ISBN|978-0-14-313596-8}}
* Louys, Julien et al. (2014). "[https://onlinelibrary.wiley.com/doi/full/10.1002/ece3.1287 Rewilding the tropics, and other conservation translocations strategies in the tropical Asia-Pacific region]". [doi:10.1002/ece3.1287](/source/doi%3A10.1002%2Fece3.1287)
* Root-Bernstein, Meredith et al. (2017) "[https://www.sciencedirect.com/science/article/pii/S2530064417300858 Rewilding South America: Ten key questions]". [doi:10.1016/j.pecon.2017.09.007](/source/doi%3A10.1016%2Fj.pecon.2017.09.007)
* Pereira, Henrique M., & Navarro, Laetitia (2015). ''Rewilding European Landscapes, Springer''. {{ISBN|978-3-319-12038-6}}
* Pettorelli, Durant & du Troit, eds. (2019). ''Rewilding'', Cambridge University Press. 
* Tree, Isabella (2018), ''Wilding: The Return of Nature to a British Farm'', Picador, {{ISBN|978-1-5098-0511-2}}
* Wilson, Edward Osborne (2017). ''Half-Earth: Our Planet's Fight for Life'', Liveright (W.W. Norton). {{ISBN|978-1-63149-252-5}}
* Wright, Susan (2018). ''SCOTLAND: A Rewilding Journey'', Wild Media Foundation. {{ISBN|978-0-9568423-3-6}}
* Thulin, Carl-Gustaf, & Röcklinsberg, Helena (2020). "[https://www.frontiersin.org/articles/10.3389/fvets.2020.00163/ Ethical Considerations for Wildlife Reintroductions and Rewilding]". {{doi|10.3389/fvets.2020.00163|doi-access=free}}

==External links==
{{wikiquote|Rewilding}}

* [http://www.rewildingtheworld.com/ ''Rewilding the World: Dispatches from the Conservation Revolution'']
* [https://rewilding.org/wp-content/uploads/2012/04/RewildingBiod.pdf Rewilding and Biodiversity: Complementary Goals for Continental Conservation, Michael Soulé & Reed Noss, Wild Earth, Wildlands Project Fall 1998]
* {{cite journal |last1=Stolzenburg |first1=William |year=2006 |title=Where the Wild Things Were |url=http://www.conbio.org/cip/article71wil.cfm |journal=Conservation in Practice |volume=7 |issue=1 |pages=28–34 |doi=10.1111/j.1526-4629.2006.tb00148.x |access-date=12 April 2010 |archive-url=https://web.archive.org/web/20081121214434/http://www.conbio.org/CIP/article71wil.cfm |archive-date=21 November 2008 |url-access=subscription }}
* [https://www.ted.com/talks/george_monbiot_for_more_wonder_rewild_the_world "For more wonder, rewild the world"], George Monbiot's July 2013 [TED](/source/TED_(conference)) talk

{{conservation of species}}

Category:Animal reintroduction
Category:Ecological restoration
Category:Rewilding
Category:Conservation biology

---
Adapted from the Wikipedia article [Rewilding](https://en.wikipedia.org/wiki/Rewilding) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Rewilding?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
