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The American Battlefield Trust preserves America’s hallowed battlegrounds and educates the public about what happened there and why it matters. As the nation's leading heritage land preservation organization, we have saved more than 57,000 acres of battlefield land in 24 states to date — thanks to the support of our members & partners.

Santa Monica Mountains Fund (SAMO Fund) is dedicated to the mission of preserving, protecting, and enhancing the Santa Monica Mountains National Recreation Area (SMMNRA). Our mission encompasses a commitment to safeguarding the unique ecosystem of the area, fostering a deep connection between people and nature, and supporting the National Park Service in its endeavors. This includes a focus on youth education, scientific research, improvement of park facilities, community stewardship, and the preservation of indigenous cultural resources. This vision is rooted in the belief that sustainable practices and community engagement are key to preserving the ecological and cultural richness of the Santa Monica Mountains for future generations.

TreePeople's mission is to inspire, engage and support people to take personal responsibility for the urban environment, making it safe, healthy, fun and sustainable and to share the results as a model for the world.

To conserve, protect, and restore North America’s coldwater fisheries and their watersheds.

The mission of the Elk Foundation is to ensure the future of elk, other wildlife, their habitat and our hunting heritage.

Inspiring Passion for the Natural World through emphasizing Conservation, Education, Scientific Study and Recreation in all aspects of the Birmingham Zoo's exhibits, programs, facilities and activities.

The Islesboro Islands Trust mission is (1) to enhance the quality of residents' lives through the preservation of open space, (2) to educate all residents as to the value of the islands' natural ecosystems, and (3) to act as an environmental advocate on behalf of Islesboro and the surrounding Penobscot Bay region.

Acterra's mission is to bring people together to create local solutions for a healthy planet.

The mission of the Adirondack Council is to ensure the ecological integrity and wild character of the Adirondack Park. We envision an Adirondack Park composed of large core wilderness areas, connected to working farms and forests, and augmented by vibrant communities, all within a diverse mosaic of biologically intact landscapes.

The Adirondack Mountain Club (ADK) is dedicated to the protection and responsible recreational use of the New York State Forest Preserve, and other Parks, wild lands and waters vital to our members and chapters. The Club, founded in 1922, is a member-directed organization committed to public service and stewardshiadvocacy, environmental education and natural resource conservation. ADK encourages the involvement of all people in its mission and activities; its goal is to be a community that is comfortable, inviting, and accessible.

The Alaska Conservation Foundation protects Alaska’s natural environment and the diverse cultures and ways of life it sustains. We do this by promoting conservation philanthropy and by strategically directing resources to conservation leaders, organizations, and initiatives.

The mission of the Amazon Conservation Association is to unite science, innovation, and people to protect the western Amazon – the greatest wild forest on Earth. We envision a thriving Amazon that sustains the full diversity of life. Two decades in, we have protected over 8.15 million acres of rainforest; provided cutting-edge tools to government and forest users to protect their lands; empowered hundreds of indigenous communities to develop forest-friendly livelihoods; and hosted thousands of scientists pioneering innovative research at our three conservation hubs. We have made a difference.