Uniting all Americans to ensure wildlife thrive in a rapidly changing world, the National Wildlife Federation builds upon our nation's conservation heritage for present and future generations.

United States federal agency that manages national wildlife refuges, protects endangered species, manages migratory birds, restores nationally significant fisheries, and enforces federal wildlife laws.

NRDC uses science, policy, law, and people power to confront the climate crisis, protect public health, and safeguard nature.

Since 1987, Conservation International has worked to improve the lives of people everywhere by protecting oceans, forests and other living ecosystems.

leading online carbon footprint calculation tools and information to help reduce and offset your emissions - for business and individuals.

World Wildlife Fund - The leading organization in wildlife conservation and endangered species. Learn how you can help WWF make a difference.

Together we can change the world

Defenders of Wildlife works on the ground, in the courts, and on Capitol Hill to protect and restore imperiled wildlife and habitats across North America. Together, we can ensure a future for the wildlife and wild places we all love.

Calculate your Ecological Footprint. Find out how many planets would be needed if everyone in the world lived like you?

The Wildlife Conservation Society saves wildlife and wild places worldwide through science, conservation action, education, and inspiring people to value nature.