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World Wildlife Fund
View of bison in field of Wolakota Buffalo Range with yellow wildflowers in the foreground

© WWF-US / Clay Bolt

After a decade as the national mammal, America's bison still need help from Congress

The American bison remains absent from much of its historical range. Stronger federal support is needed for bison restoration efforts led by Tribal Nations.

Our mission is to build a future in which people live in harmony with nature

Patroling a mangrove forest for poachers

Six things to know about forests and your health

Here's how forests and public health are connected

© Green Renaissance / WWF-US

Our work to reverse nature loss and conserve biodiversity has never been more urgent

Our impact is transformative

Every dollar you give makes a difference for nature.

  • 83% to conservation

    Your generosity makes our science-based conservation work possible.

  • Nearly 1 million members

    Together across the US, donors like you protect clean air, water, and vital natural resources.

  • 65 years

    WWF has been leading global conservation since our founding in 1961.

Together with partners, WWF creates innovative solutions in every place we work

Your support keeps us going

Tiger and cub in grasslands of Ranthambhore, Rajhasthan, India

© naturepl.com / Andy Rouse / WWF

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