World's Greenest Nations

Yale University's rank of 163 countries according to an environmental performance index (A weighting of carbon and sulfur emissions, water purity and conservation practices)

 

ICELAND 

EPI Score: 93.5/100

Iceland is a European island country located in the North Atlantic Ocean on the Mid-Atlantic Ridge. It has a population of about 320,000 and a total area of 103,000 km2 (39,769 sq mi).The capital and largest city is Reykjavík, with the surrounding areas in the southwestern region of the country being home to some two-thirds of the national population. Iceland is volcanically and geologically active.
Iceland leads the world in addressing pollution control and natural resource management challenges. The nation's top-notch performance derives from its high scores on environmental public health, controlling greenhouse gas emissions, and reforestation, according to a media release from Yale University.