Audubon
Bluewater Network
Center for a New American Dream
EarthJustice
Earth Rights International
Environmental Defense
Environmental Working Group
Friends of the Earth US | Friends of the Earth International
GRACE – Global Resource Action Center for the Environment
Greenpeace
National Environmental Trust
Natural Resources Defense Council
National Wildlife Federation
Resources for the Future
Sierra Club
Union of Concerned Scientists
Wilderness Society
World Resources Institute
Worldwatch Institute
World Wildlife Fund International | WWF

Te traemos una lista bastante complete de ONG´s del medio ambiente. Estas organizaciones no gubernamentales dedican esfuerzos para cuidar y proteger los ecosistemas, la ecología y la biodiversidad.

Audubon
Bluewater Network
Center for a New American Dream
EarthJustice
Earth Rights International
Environmental Defense
Environmental Working Group
Friends of the Earth US | Friends of the Earth International
GRACE – Global Resource Action Center for the Environment
Greenpeace
National Environmental Trust
Natural Resources Defense Council
National Wildlife Federation
Resources for the Future
Sierra Club
Union of Concerned Scientists
Wilderness Society
World Resources Institute
Worldwatch Institute
World Wildlife Fund International | WWF