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Since its founding in 1875, American Forests has pledged to be the pathfinders for creating healthy forests from coast to coast. The nonprofit organization seeks to create healthy and resilient forests, from cities to large natural landscapes, that deliver essential benefits for climate, people, water and wildlife. The organization advances its mission through forestry innovation, place-based partnerships to plant and restore forests, and movement building.

The American Forest Foundation works on-the-ground with families, teachers, and elected officials to promote stewardship and protect our nation's forest heritage.

Our mission is to create the largest nature reserve in the contiguous United States, a refuge for people and wildlife preserved forever as part of America’s heritage.

The Ocean Cleanup is a non-profit organization developing advanced technologies to rid the world’s oceans of plastic. The Ocean Cleanup has three core approaches to tackling plastic pollution: 1) Clean legacy ocean plastic - Since 2018, The Ocean Cleanup has deployed technologies to remove plastic that has accumulated in ocean garbage patches. It's current system (System 002) has removed more than 225,000 kg of plastic from The Great Pacific Garbage Patch. 2) Turn off the tap: The Ocean Cleanup also develops and deploys Interceptor technologies that prevent plastic from reaching the oceans via rivers, focusing on 1000 rivers that are responsible for 80% of riverine plastic pollution. To date, 19 Interceptor solutions have been deployed across 8 countries. 3) Research: In the process of understanding the problem, The Ocean Cleanup has become a global leader in field research on marine plastic pollution.

The American River Parkway Foundation (APRF) leads and inspires the community to conserve and nurture the American River Parkway as a unique, accessible resource for everyone to enjoy.

The American Chestnut Foundation has one simple goal: to restore the American chestnut to its native forests. Destroyed by an imported blight many consider the worst environmental disaster of the twentieth century, the American chestnut was virtually eliminated from the eastern hardwood forest between 1904 and 1940. With its loss, wildlife populations plummeted; never to return to former levels. With recent developments in genetics, there is promise that this critically important wildlife food source and timber tree will again become part of our natural heritage. To make this possibility a reality, a group of prominent scientists, in 1983, established the non-profit research-oriented American Chestnut Foundation (TACF). The Foundation's mission is simple: to restore the American chestnut as an integral part of the eastern forest ecosystem. TACF is employing traditional plant breeding techniques, backed by advanced research methods, to develop a blight resistant American chestnut tree. TACF is restoring a species - and in the process, creating a template for restoration of other tree and plant species.

The American Lung Association saves lives by improving lung health and preventing lung disease.

American Rivers, founded in 1973, is dedicated to protecting and restoring healthy natural rivers and the variety of life they sustain, for the benefit of people, fish, and wildlife.

To conserve and restore America's whitewater resources and to enhance opportunities to enjoy them safely.American Whitewater focuses on project within the United States.

To restore the American Chestnut to the forests and woodlands of Pennsylvania and the mid-Atlantic states

The mission of American Farmland Trust is to save the land that sustains us by protecting farmland, promoting sound farming practices and keeping farmers on the land.

American Bird Conservancy (ABC) is a 501(c)(3), not-for-profit organization whose mission is to conserve native birds and their habitats throughout the Americas.