Which organization publishes the 'Environmental Performance Index' (EPI) that ranks countries on environmental health and ecosystem vitality?
- United Nations Environment Programme
- Yale and Columbia Universities in collaboration with WEF
- World Bank
- Greenpeace International
Answer: Yale and Columbia Universities in collaboration with WEF
The EPI is a biennial index developed by Yale Center for Environmental Law & Policy and Columbia Center for International Earth Science Information Network, with support from the World Economic Forum.