Climate Action Fund

Sierra Club Foundation

The Sierra Club Foundation promotes climate solutions, conservation, and movement building through a powerful combination of strategic philanthropy and grassroots advocacy. The Foundation is the fiscal sponsor of Sierra Club’s charitable environmental programs.

The Nature Conservancy

The Nature Conservancy is a global environmental nonprofit working to create a world where people and nature can thrive. Founded in the U.S. through grassroots action in 1951, The Nature Conservancy (TNC) has grown to become one of the most effective and wide-reaching environmental organizations in the world. Thanks to more than a million members and the dedicated efforts of our diverse staff and over 400 scientists, we impact conservation in 81 countries and territories: 40 by direct conservation impact and 41 through partners.

Natural Resources Defense Council (NRDC)

NRDC works to safeguard the earth—its people, its plants and animals, and the natural systems on which all life depends.We combine the power of more than three million members and online activists with the expertise of some 700 scientists, lawyers, and policy advocates across the globe to ensure the rights of all people to the air, the water, and the wild.

Environmental Defense Fund

Environmental Defense Fund's mission is to build a vital Earth. For everyone. By leveraging our deep expertise in science and economics, EDF delivers bold, game-changing solutions to address the biggest challenge of our time — climate change. We work to stabilize the climate, strengthen the ability of people and nature to thrive and support people's health. Working in more than 30 countries, we focus on the areas where we can make the biggest impact. From slashing pollution from transportation around the world, to slowing the warming we're experiencing now by cutting methane pollution, to bolstering nature's own capacity to stabilize the climate.