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To aid in the protection, preservation and restoration of the natural environment of the nation's major rivers and their watersheds.To expand awareness of environmental issues and responsibility encompassing the river.To create a desire and an opportunity for stewardship and responsibility for a cleaner river environment.

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.

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.

International Rivers protects rivers and defends the rights of communities that depend on them. We work to stop destructive dams and promote water and energy solutions for a just and sustainable world.

The League to Save Lake Tahoe is dedicated to protecting, restoring, and advocating for the ecosystem health and scenic beauty of the Lake Tahoe Basin. The organization focuses on water quality and its clarity for the preservation of a pristine Lake for future generations.

Save The Waves Coalition is a global nonprofit organization dedicated to protecting and preserving the coastal environment, with an emphasis on the surf zone, and educating the public about its value.

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.

Our mission is to promote the preservation, conservation, and improvement of natural resources and special places in Indian River County.

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

AQUACULTURE RESEARCH - The purpose of the Oceanic Institute is for the advancement and extension of research in all of the fields and areas of marine sciences generally and to engage in, assist and contribute to the support of scientific, educational, and charitable activities and projects, and to contribute to the support of, and to create and maintain scientific, educational and charitable institutions, organizations and funds of any and every kind.

POST protects and cares for open space, farms and parkland in and around Silicon Valley.

Using the ocean as our classroom, we inspire children to learn.