Switzerland is ranked #1 – the strongest performer with 76.69 Environmental Performance Rating for 2012, which puts Switzerland as the leading green country around the world.

Switzerland has strict legislation plans to reduce pollution. They charge fees for water, waste management services as well as environmental taxes that help promote personal responsibility.  Planet Green

Here are the 2012 Top 30 Green Countries and their corresponding EPI scores.  Wikipedia

Other countries like Japan is ranked #23, Spain #32, Canada #37, Philippines #42, Australia #48, United States #49, Mexico #84, China #116, India #125,  South Africa #128. See the full list of 2012 EPI Rankings.

The 2012 Environmental Performance Index (EPI) and Trend Environmental Performance Index (Trend EPI) Summary for Policymakers was released by Yale Center for Environmental Law and Policy, Yale University and Center for International Earth Science Information Network, Columbia University in collaboration with World Economic Forum and Joint Research Centre of the European Commission.

132 countries are ranked based on 22 performance indicators using these 10 EPI policy categories that were formulated to support 2 key objectives – Environmental Health and Ecosystem Vitality.

• Air Pollution (effects on human health)

• Water (effects on human health)

• Environmental Burden of Disease

• Agriculture

• Biodiversity & Habitat

• Forestry

• Fisheries Climate Change

• Air Pollution (ecosystem effects)

• Water Resources (ecosystem effects)