Environmental Performance Index (EPI) Explained
The Environmental Performance Index (EPI) ranks countries on environmental health and ecosystem vitality. It is produced by researchers at Yale and Columbia universities.
The Environmental Performance Index (EPI) ranks countries on environmental health and ecosystem vitality. It is produced by researchers at Yale and Columbia universities.
What it measures
The EPI uses indicators across categories such as climate change mitigation, environmental health (air quality, sanitation) and ecosystem vitality (biodiversity, forests).
Debate
India has questioned certain indicators and weightings, arguing they do not fully reflect developing-country contexts.
Why it matters for UPSC
The EPI's producers and its environmental indicators feature in Environment current-affairs questions.
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Who produces the Environmental Performance Index?
Researchers at Yale and Columbia universities.
What does the EPI assess?
Environmental health and ecosystem vitality across countries.