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

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.

Nature Forward (formerly known as the Audubon Naturalist Society) inspires residents of the greater Washington, DC, region to appreciate, understand, and protect their natural environment through outdoor experiences, education, and advocacy.

To provide collaborative leadership to create and sustain a successful Mill River Park

In partnership with the City of New York and the community, the Prospect Park Alliance restores, develops, and operates Prospect Park for the enjoyment of all by caring for the natural environment, preserving historic design, and serving the public through facilities and programs. Prospect Park's 585 acres of meadows, waterfalls, forest, lakes, and athletic facilities comprise a masterwork of urban green space.

Our mission at the Alliance for the Great Lakes is to conserve and restore the world's largest freshwater resource using policy, education and local efforts, ensuring a healthy Great Lakes and clean water for generations of people and wildlife.

The Alliance to Save Energy promotes energy efficiency worldwide to achieve a healthier economy, a cleaner environment and greater energy security.

The mission of the Amazon Conservation Team (ACT) is to work in partnership with indigenous people to conserve biodiversity, improve human and ecosystem health, and strengthen traditional culture in tropical America.

The Anacostia Watershed Society's mission is to protect and restore the Anacostia River and its watershed communities by cleaning the water, recovering the shores, and honoring the heritage. Our ultimate goal is to make the Anacostia River swimmable and fishable, in compliance with the federal Clean Water Act, for all to enjoy.

Bald Head Island Conservancy fosters community based barrier island conservation, preservation and education, to live in harmony with nature.

BRING’s mission is helping people understand how the stuff we use shapes the planet we share.

California Trout's mission is to ensure healthy waters and resilient, wild fish for a better California. Our belief is that abundant wild fish indicate healthy waters and that healthy waters mean a better California. As such, we work to solve the state's complex resource issues while balancing the needs of wild fish and people