Worldwide federation of national environmental organizations and thus the worlds largest environmental organization. Founded in 1971 by organizations from France, Sweden, England and the USA. A small international secretariat was set up in 1981, and it is now located in Amsterdam, The Netherlands. In 1998, the combined number of members and supporters of Friends of the Earth groups was close to one million, and the FoEI umbrella united almost 5,000 local activists groups. The combined annual budget of FoE groups was close to US$200 million, and together they employed close to 700 full time staff members.

The federation has member organizations in 61 countries and affiliate groups in ten.

FOEIs campaigns and programs are currently going on in the following areas: