World Wildlife Foundation
"World Wildlife Foundation (WWF) is building a future where human needs are met in harmony with nature."
WWF's mission is to conserve nature and reduce the most pressing threats to the diversity of life on Earth.
US Head Quarters:
World Wildlife Fund
1250 24th Street, N.W.
Washington, DC 20037-1193
They work to conserve the world.
They participate in the activities mainly when something is wrong, such as an oil spill.