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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

To promote and support the work of Durrell Wildlife Conservation Trust in its mission to save species from extinction by using the appropriate methods of species recovery, including management of captive and wild animals and their habitats, research in conservation biology, professional training of conservation practitioners, community conservation and education of the general public.

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

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.

The mission of the American Littoral Society is to promote the study and conservation of marine life and habitat, protect the coast from harm, and empower others to do the same.

As the national voice for hikers, American Hiking Society helps preserve and protect the hiking trails and natural areas that hikers cherish and seek for exploration, exercise and education.

American Conservation Experience (ACE) is a non-profit organization dedicated to providing rewarding environmental service opportunities that harness the idealism and energy of a volunteer labor force to help restore America’s public lands. ACE is grounded in the philosophy that cooperative labor on meaningful conservation projects fosters cross-cultural understanding and operates on the belief that challenging volunteer service unites people of all backgrounds in common cause.

Founded in 1922, the AHS is among the oldest and most prestigious horticultural organizations in the United States. Our mission is to share the critical role of plants, gardens, and green spaces while helping to create healthy, livable communities and a sustainable planet.The AHS fulfills its mission through educational programming, The American Gardener magazine, Great American Gardeners Awards, Reciprocal Admissions Program, National Children & Youth Garden Symposium, Travel Study Program, and exemplary gardens at our national headquarters, River Farm. AHS work is national in scope.

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.

We provide knowledge and inspiration, conservation and advocacy, and logistical support for the climbing community.