According to the World Environmental Performance Index, which is created by the scientists of Yale and Columbia Universities, Iceland and Switzerland have the highest index. Costa–Rica which implements the stimulation and promotion of eco-tourism and protects the local biodiversity strictly has got the third place.

The worst environmental index belongs to the United Arab Emirates and Nigeria.

Georgia has the 59th place among 163 countries, Armenia is 76th and Azerbaijan is 84th, REC Caucasus News reported.

Environmental Performance Index (EPI) ranks 163 countries on 25 performance indicators and it determines the environmental performance in the world. According to the scientists, EPI is like GDP in the environmental field. The indicators cover general conditions of water, air and approach to the wastes. Also, it includes policy categories covering state policy in conserving the biodiversity and improving the environment and ecosystem vitality.