The Environmental Performance Index (EPI) is a method of quantifying and numerically marking the environmental performance of a state's policies, highlighting the degradation of the planet's life-supporting systems on which humanity depends. A world economy that continues to rely heavily on fossil fuels translates into ongoing air and water pollution, acidification of the oceans, and rising concentrations of greenhouse gases in the atmosphere. These changes threaten the survival of species already suffering from widespread habitat loss, pushing them closer to extinction. Recent analyses show that humanity has already transgressed six out of nine critical planetary boundaries that define Earth's safe operating space — and is close to crossing a seventh.

The Environmental Performance Index (EPI) was started in 2002 by World Economic Forum in association with the Yale Center for Environmental Law & Policy (Yale University) and Center for International Earth Science Information Network Earth Institute (Columbia University). The biennial EPI report harnesses the latest data sets, science, and technology to provide the most comprehensive assessment of the state of sustainability around the world. In total, the 2024 EPI report incorporates 58 indicators to rank 180 countries on their progress at mitigating climate change, safeguarding ecosystem vitality, and promoting environmental health. This broad set of metrics is a powerful tool to track progress towards the UN Sustainable Development Goals, the climate mitigation targets in the 2015 Paris Climate Change Agreement, and the biodiversity protection goals in the Kunming-Montreal Global Biodiversity Framework.[1]

In 2023, the first global assessment of progress toward the goals of the Paris Agreement revealed a grim picture: the world is far off track. Despite record deployment of renewable energy, greenhouse gas (GHG) emissions keep rising. As the world enters uncharted climatic territory, there is a heightened risk of crossing irreversible tipping points in the planet's climate system.[1]

Methodology

Over time, the methodology for the EPI has been criticized for its arbitrary choice of metrics which could introduce bias, and its poor performance as an indicator for environmental sustainability.[2] Additional criticisms center on the EPI's lack of specific policy suggestions, and the index's weighting biases against data deficient countries that has led to the overlooking of ecological progress in developing countries.[2]

In 2024, India was ranked at 176 in the list and rejected the low ranking. As per a statement issued by the Ministry of Environment, Forests and Climate Change (MoEF&CC), it claimed that several indicators used in the calculation were based on unfounded assumptions and unscientific methods.[3][4][5]

The United Nations Economic Commission for Europe found 3 Pros: EPI provides an easily comparable index; EPI's ecosystem vitality scores are based on six constituent policy categories: water resources, agriculture, forests, fisheries, biodiversity and habitat, and climate and energy; the referenced database yields maps for each of EPI's partial indices (normalised to 0 … 100) and 3 Cons: CIESIN's EPI rather is an attempt to quantitatively represent the ecological performance of countries and companies; actual reasons for dysfunctionalities might need further research; EPI would be a more policy-relevant index.[6]

As a result of these criticisms, the number of EPI indicators has increased, and their weight has changed, to provide a better data-driven summary of the state of sustainability around the world. The 2024 index is based on 58 performance indicators grouped into 30 issue categories with an objective of environmental health, ecosystem vitality and climate change, ranking 180 countries.[7]

2024 EPI indicators and weights (%)
Policy ObjectiveWt. (%)Issue CategoryWt. (%)IndicatorWt. (%)
Ecosystem Vitality45%Biodiversity & Habitat25Marine KBA Protection12.0
Marine Habitat Protection12.0
Marine Protection Stringency2.0
Protected Areas Representativeness Index12.0
Species Protection Index16.0
Terrestrial Biome Protection10.0
Terrestrial KBA Protection10.0
Protected Area Effectiveness2.0
Protected Human Land2.0
Red List Index12.0
Species Habitat Index8.0
Bioclimatic Ecosystem Resilience2.0
Forests5Primary Forest Loss30.0
Intact Forest Landscape Loss30.0
Tree cover loss weighted by permanency25.0
Net change in tree cover10.0
Forest Landscape Integrity5.0
Fisheries2Fish Stock Status15.0
Fish Catch Discarded20.0
Bottom Trawling in EEZ25.0
Bottom Trawling in Global Ocean35.0
Regional Marine Trophic Index5.0
Air Pollution6Ozone exposure KBAs8.3
Ozone exposure croplands8.3
Adj. emissions growth rate for nitrous oxides41.7
Adj. emissions growth rate for sulfur dioxide41.7
Agriculture3Sustainable Nitrogen Management Index40.0
Phosphorus Surplus3.3
Pesticide Pollution Risk16.7
Relative Crop Yield40.0
Water Resources5Wastewater generated10.0
Wastewater collected40.0
Wastewater treated40.0
Wastewater reused10.0
Environmental Health25%Air Quality17Anthropogenic PM2.5 exposure38.2
Household solid fuels38.2
Ozone exposure8.8
NOx exposure5.9
SO2 exposure2.9
CO exposure2.9
VOC exposure2.9
Sanitation & Drinking Water5Unsafe sanitation40.0
Unsafe drinking water60.0
Heavy Metals2Lead exposure100.0
Waste Management1Waste generated per capita40.0
Controlled solid waste20.0
Waste recovery rate40.0
Climate Change30%Climate Change Mitigation30Adjusted emissions growth rate for carbon dioxide25.0
CO2 growth rate (country- specific targets)1.7
Adjusted emissions growth rate for methane10.0
Adjusted emissions growth rate for F-gases6.7
Adjusted emissions growth rate for nitrous oxide3.3
Adjusted emissions growth rate for black carbon5.0
Net carbon fluxes due to land cover change3.3
GHG growth rate adjusted by emissions intensity20.0
GHG growth rate adjusted by per capita emissions20.0
Projected emissions in 20503.3
Projected cumulative emissions to 2050 relative to carbon budget1.7

Note: Wt. (%) is percent weights of overall EPI. Weights are rounded and may not add up to 100%.[8][7]

List of countries by 2024 EPI scores

The 2024 Environmental Performance Index report ranks 180 countries and territories, based on 58 performance indicators grouped into 30 issue categories. The top five countries are Estonia, Luxembourg, Germany, Finland and the United Kingdom, while the last ones are India, Myanmar, Laos, Pakistan and Vietnam.[9] Sorting is alphabetical by country code, according to ISO 3166-1 alpha-3.

CountryRegionValueTrendRank 2024
South Asia31.0 12.8144
Sub-Saharan Africa40.1 8.2106
Europe & Central Asia52.2 6.147
Middle East & North Africa51.6 9.148
Latin America & Caribbean47.0 1.170
Europe & Central Asia44.9 2.080
Latin America & Caribbean55.6 1.237
East Asia & Pacific63.1 4.222
Europe & Central Asia68.9 0.18
Europe & Central Asia40.5 -0.3103
Sub-Saharan Africa33.5 -1.3138
Europe & Central Asia66.8 4.914
Sub-Saharan Africa37.8 -0.3119
Sub-Saharan Africa42.2 0.195
South Asia28.1 2.3148
Europe & Central Asia56.2 -1.235
Middle East & North Africa35.3 -1.4131
Latin America & Caribbean55.9 1.636
Europe & Central Asia46.0 3.375
Europe & Central Asia58.2 8.731
Latin America & Caribbean47.4 0.967
Latin America & Caribbean45.3 3.478
Latin America & Caribbean53.0 6.744
Latin America & Caribbean53.1 2.643
East Asia & Pacific48.3 -3.162
South Asia43.3 6.889
Sub-Saharan Africa49.2 -1.859
Sub-Saharan Africa39.0 -5.1111
North America61.1 3.527
Europe & Central Asia67.8 2.39
Latin America & Caribbean49.6 3.057
East Asia & Pacific35.4 5.6130
Sub-Saharan Africa42.9 7.890
Sub-Saharan Africa38.6 2.2114
Sub-Saharan Africa39.5 6.0109
Sub-Saharan Africa41.6 0.999
Latin America & Caribbean49.7 4.456
Sub-Saharan Africa38.2 -5.9115
Sub-Saharan Africa38.0 -1.8117
Latin America & Caribbean55.5 0.238
Latin America & Caribbean52.5 2.546
Europe & Central Asia53.9 -0.241
Europe & Central Asia65.5 0.416
Europe & Central Asia74.5 4.33
Middle East & North Africa32.3 0.2141
Latin America & Caribbean49.3 -0.258
Europe & Central Asia67.7 -0.310
Latin America & Caribbean47.7 -1.166
Middle East & North Africa41.7 3.298
Latin America & Caribbean51.3 7.049
Middle East & North Africa43.7 3.587
Sub-Saharan Africa29.0 -0.3147
Europe & Central Asia64.0 2.221
Europe & Central Asia75.7 14.91
Sub-Saharan Africa36.3 3.8125
Europe & Central Asia73.8 3.14
East Asia & Pacific46.0 -2.475
Europe & Central Asia67.0 1.612
East Asia & Pacific40.8 0.3101
Sub-Saharan Africa53.3 7.342
Europe & Central Asia72.6 1.35
Europe & Central Asia47.3 6.268
Sub-Saharan Africa36.9 1.8122
Sub-Saharan Africa36.5 -2.9123
Sub-Saharan Africa37.6 0.6120
Sub-Saharan Africa42.0 -0.596
Sub-Saharan Africa41.7 -3.398
Europe & Central Asia67.3 8.911
Latin America & Caribbean45.8 0.476
Latin America & Caribbean32.5 -2.8140
Latin America & Caribbean49.0 2.360
Latin America & Caribbean40.2 2.9105
Europe & Central Asia62.3 4.924
Latin America & Caribbean36.4 7.7124
Europe & Central Asia59.8 -1.330
East Asia & Pacific33.6 5.8137
South Asia27.6 4.2149
Europe & Central Asia65.8 2.815
Middle East & North Africa41.8 0.097
Middle East & North Africa30.3 6.4145
Europe & Central Asia64.3 2.518
Middle East & North Africa48.0 0.663
Europe & Central Asia60.3 4.828
Latin America & Caribbean48.5 1.061
Middle East & North Africa47.3 10.168
East Asia & Pacific61.4 4.226
Europe & Central Asia47.8 4.065
Sub-Saharan Africa36.9 -0.2122
Europe & Central Asia42.8 13.091
East Asia & Pacific31.2 0.0143
East Asia & Pacific44.3 -1.182
East Asia & Pacific50.6 4.951
Middle East & North Africa44.4 -1.881
East Asia & Pacific26.3 2.0151
Middle East & North Africa39.9 7.9108
Sub-Saharan Africa34.3 1.3135
Latin America & Caribbean51.1 2.150
South Asia38.8 1.8112
Sub-Saharan Africa36.9 0.1122
Europe & Central Asia64.1 4.620
Europe & Central Asia75.1 3.42
Europe & Central Asia60.2 1.229
Middle East & North Africa39.5 2.6109
Europe & Central Asia46.1 2.874
Sub-Saharan Africa30.1 0.8146
South Asia38.1 2.8116
Latin America & Caribbean44.2 2.283
East Asia & Pacific42.5 0.894
Europe & Central Asia50.3 1.252
Sub-Saharan Africa34.5 -3.3134
Middle East & North Africa66.9 4.713
East Asia & Pacific27.1 -1.4150
Europe & Central Asia47.7 -0.566
East Asia & Pacific37.2 5.4121
Sub-Saharan Africa39.0 5.2111
Sub-Saharan Africa34.6 -3.5133
Sub-Saharan Africa47.3 2.968
Sub-Saharan Africa35.1 -6.7132
East Asia & Pacific41.0 7.3100
Sub-Saharan Africa44.0 -0.185
Sub-Saharan Africa40.0 7.3107
Sub-Saharan Africa37.9 4.7118
Latin America & Caribbean47.4 1.267
Europe & Central Asia66.9 4.413
Europe & Central Asia69.9 3.37
South Asia33.1 0.7139
East Asia & Pacific57.3 1.132
Middle East & North Africa51.3 12.949
South Asia25.5 -4.0152
Latin America & Caribbean52.9 5.245
Latin America & Caribbean46.5 3.973
East Asia & Pacific32.1 0.4142
East Asia & Pacific36.9 -3.6122
Europe & Central Asia64.2 1.819
Europe & Central Asia61.9 4.125
Latin America & Caribbean39.5 0.7109
Middle East & North Africa46.8 5.671
Europe & Central Asia57.3 -3.132
Europe & Central Asia46.7 -0.172
Sub-Saharan Africa33.9 -0.3136
Middle East & North Africa42.5 9.594
Sub-Saharan Africa39.1 3.9110
Sub-Saharan Africa43.8 4.886
East Asia & Pacific53.0 6.544
East Asia & Pacific42.2 1.695
Sub-Saharan Africa39.9 5.3108
Latin America & Caribbean41.6 -4.499
Europe & Central Asia49.8 -5.655
Sub-Saharan Africa36.2 1.8126
Latin America & Caribbean56.9 8.634
Europe & Central Asia65.1 -1.617
Europe & Central Asia62.4 0.023
Europe & Central Asia70.3 0.26
Sub-Saharan Africa38.7 -2.4113
Sub-Saharan Africa47.9 -3.964
Sub-Saharan Africa35.9 2.0127
Sub-Saharan Africa35.7 -1.1129
East Asia & Pacific45.7 4.577
Europe & Central Asia32.3 -4.2141
Europe & Central Asia40.6 4.9102
East Asia & Pacific49.9 9.654
East Asia & Pacific40.4 -7.3104
Latin America & Caribbean52.5 1.046
Middle East & North Africa45.3 0.578
East Asia & Pacific50.1 -0.153
Sub-Saharan Africa43.6 5.688
Sub-Saharan Africa35.8 4.2128
Europe & Central Asia54.6 7.339
Latin America & Caribbean44.1 0.584
North America57.2 0.233
Europe & Central Asia42.6 -1.393
Latin America & Caribbean54.2 0.840
Latin America & Caribbean53.3 1.142
East Asia & Pacific24.6 -3.7153
East Asia & Pacific45.0 9.379
East Asia & Pacific47.1 6.069
Sub-Saharan Africa42.7 4.492
Sub-Saharan Africa46.7 3.972
Sub-Saharan Africa51.6 9.548

EPI scores vs. GDP per capita, 2024

EPI scores are positively correlated with a country's wealth, although after a point, increasing wealth yields diminishing returns. At every level of economic development, though, some countries outperform their peers while others lag. Some of the poorest countries in the world outperform some of the richest. In this regard, factors other than wealth, such as investments in human development, rule of law, and regulatory quality, are stronger predictors of environmental performance.[10]

Wealth allows countries to make investments in the infrastructure required to provide clean drinking water, safely manage waste, and rapidly expand renewable energy. But wealth also leads to higher material consumption and its associated environmental impacts, such as higher rates of waste generation, GHG emissions, and ecosystem degradation. Many countries with high scores in some Ecosystem Vitality metrics — such as those measuring the pollution from pesticides and fertilizers in agriculture, the integrity of forest landscapes, and the use of destructive fishing methods — do so because their economies are stagnant and underdeveloped.[9]

Developing countries must be careful not to repeat the mistakes of nations that followed a dirty and unsustainable path to industrialization. On the other hand, rich countries need to decouple their consumption from environmental degradation and use their wealth to help developing countries leapfrog to a path of truly sustainable development, preserving their biodiversity and other global commons for the benefit of all humankind.[8][9][10]

See also

References

  1. ^ "2024 Environmental Performance Index". epi.yale.edu. New Haven, CT: Yale Center for Environmental Law & Policy & Center for International Earth Science Information Network Earth Institute, Columbia University. 2024-10-03. Retrieved 2024-10-24.
  2. ^ Kanmani, Aiyshwariya; Obringer, Renee; Rachunok, Benjamin; Nateghi, Roshanak (2020-01-11). "Assessing Global Environmental Sustainability Via an Unsupervised Clustering Framework". Sustainability. 12 (2): 563. Bibcode:2020Sust...12..563P. doi:10.3390/su12020563. Retrieved 2024-10-24.
  3. ^ Banerjee, Ankush. "What Happened to Green India? Ranked Lowest as per Environmental Performance Index, India Disputes Methodology". Business Insider. Archived from the original on 2024-11-06. Retrieved 2024-10-24.
  4. ^ "India's lagging sustainability performance". Hindustan Times. 2022-06-27. Retrieved 2024-10-24.
  5. ^ Roy, Esha (2022-06-11). "Explained: What is the environment index, and why has India questioned it?". The Indian Express. Retrieved 2024-10-24.
  6. ^ "Environmental performance index EPI. Pros & Cons". unece.org. United Nations Economic Commission for Europe. Retrieved 2024-10-24.
  7. ^ "2024 Weights" (CSV). epi.yale.edu. New Haven, CT: Yale Center for Environmental Law & Policy. Retrieved 2024-10-24.
  8. ^ Block, S.; Emerson, J.W.; Esty, D.C.; de Sherbinin, A.; Wendling, Z.A. (2024-10-03). "2024 Environmental Performance Index. Technical Appendix". epi.yale.edu. New Haven, CT: Yale Center for Environmental Law & Policy. Archived from the original on 2024-11-02. Retrieved 2024-10-24.
  9. ^ Block, S.; Emerson, J.W.; Esty, D.C.; de Sherbinin, A.; Wendling, Z.A. (2024-10-03). "2024 Environmental Performance Index". epi.yale.edu. New Haven, CT: Yale Center for Environmental Law & Policy. Retrieved 2024-10-24.
  10. ^ "2024 Environmental Performance Index. Policymakers' Summary". epi.yale.edu. New Haven, CT: Yale Center for Environmental Law & Policy & Center for International Earth Science Information Network Earth Institute, Columbia University. 2024-10-03. Retrieved 2024-10-24.