Search Nonprofits

To improve people's lives by helping communities protect, conserve, and manage the natural resources upon which their long-term well-being depends.

Heights Tree People is an all‑volunteer nonprofit that supplies and plants trees (primarily free front‑yard trees) in Cleveland Heights and nearby “Heights” neighborhoods to rebuild urban tree canopy, improve neighborhood health and resilience, and share tree‑care knowledge with residents.

Through our annual "Denver Digs Trees" program, we distribute and plant more than 1,000 public trees each spring. Many of these trees are planted in Denver's most underserved neighborhoods. Our volunteer "Community Forester" program trains citizens to act as stewards over Denver's urban forest. The Park People manages Denver's Gates Tennis Center -- one of the country's premier public tennis facilities. We also raise private funds for public park projects, including building renovation, landscape projects, and historic preservation of park structures.

People and Pollinators Action Network protects people and pollinators by advocating for healthy and safe pollinator habitats, promoting sustainable land management practices and new safeguards for public health, and working to sustain biodiversity in our environment across Colorado. We believe that community awareness and engagement are necessary for the transformation of public policy based on best practice recommendations in the use of chemical pesticides and pollinator habitat management.

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.

SPPD recognizes the need to support and encourage the sustainable development of education for the children and adolescents, empowerment of women and the environment for self-sustaining entities.

The American Battlefield Trust is dedicated to preserving America's hallowed battlegrounds and educating the public about what happened there and why it matters today. The nonprofit organization has protected thousands of acres of battlefield land associated with the Revolutionary War, War of 1812, and Civil War. Learn more at http://www.battlefields.org.

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.