The Nature Conservancy protects Earth's most important natural places — for you and future generations — through great science and smart partnerships.

771 million people lack basic access to clean and safe drinking water. We've been on a mission to end the water crisis since 2006, and with the help of generous supporters like you, we're getting closer every day.

Environmental and wildlife conservation.

NRDC works to safeguard the earth—its people, its plants and animals, and the natural systems on which all life depends.

From fighting deforestation and climate change to building economic opportunities and better working conditions for rural people, the Rainforest Alliance is working to solve urgent environmental and social challenges.

The Sierra Club Foundation promotes efforts to educate and empower people to protect and improve the natural and human environment.

WWF is building a future where human needs are met in harmony with nature. Conserving important natural places and significantly changing global forces to protect the future of nature.

OUR MISSION IS TO CATALYZE A GLOBAL SOLUTION TO THE CLIMATE CRISIS BY MAKING URGENT ACTION A NECESSITY ACROSS EVERY LEVEL OF SOCIETY.

American Forests creates healthy and resilient forests, from cities to wilderness, that deliver essential benefits for climate, people, water and wildlife.

Arbor Day is a nationally-celebrated observance that encourages tree planting and care.

Building upon a strong foundation of science, partnership & field demonstration, CI empowers societies to responsibly & sustainably care for nature & global biodiversity for the well-being of humanity

Employs over 150 dedicated professionals and is supported by more than 500,000 members nationwide. Our organization takes on the task of preserving our nation's native wildlife species and habitats.