The Nature Conservancy is tackling the root causes of some of the toughest problems facing people and nature today, replicating good ideas to save many places and improve people’s lives.

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.

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.

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

WWF is the world’s leading independent conservation organisation. We ensure that people and nature can thrive together for generations to come.

Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species.

Together we can change the world

For the last 50 years our mission has been to stop the degradation of the planet's natural environment and to build a future in which humans live in harmony with nature. Join us !

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.