The 2020 Environmental Performance Index (EPI) provides a data-driven summary of the state of sustainability around the world. Using 32 performance indicators across 11 issue categories, the EPI ranks 180 countries on environmental health and ecosystem vitality.

This technical appendix is a companion document to the 2020 Environmental Performance Index (EPI) Report. It contains additional details about the methods used in the 2020 EPI.

India has been ranked at a low 177 position in the Global Environmental Performance Index (EPI), that places countries on how well they perform on high-priority environmental issues

The 2018 Environmental Performance Index (EPI) finds that air quality is the leading environmental threat to public health. Now in its twentieth year, the biennial report is produced by researchers at Yale and Columbia Universities in collaboration with the World Economic Forum.

This new study on India by Yale University finds six distinct groups within the Indian public that respond to the issue of climate change in very different ways.

The 2010 Environmental Performance Index (EPI) ranks 163 countries on 25 performance indicators tracked across ten
well-established policy categories covering both environmental public health and ecosystem vitality. These indicators provide
a gauge at a national government scale of how close countries are to established environmental policy goals. This proximityto-