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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.

To foster a community spirit of shared responsibility for the stewardship and restoration of public, protected, and ecologically important lands.

To advance knowledge and stewardship of freshwater systems through global research, education, and restoration

From the website: "Our goal is clean and healthy Virginia Beach waterways and our objectives are: • To identify and reduce sources of contamination in our waterways. That includes reducing nutrients, sediments, and chemicals that run off of our lawns, parking lots, roadways, farmland, and out of our septic systems. • To educate and engage the community and partner organizations in restoring and protecting our waterways and natural areas. • To restore lost habitats such as oyster reefs, salt marshes, native plants, forests, and other buffers that help to filter polluted runoff and protect our waterways and their marine life."

The Center for Coastal Studies conducts scientific research with emphasis on marine mammals of the western North Atlantic and on the coastal and marine habitats and resources of the Gulf of Maine. We promote stewardship of coastal and marine ecosystems and conduct educational activities that encourage responsible use and conservation. We collaborate with other institutions and individuals whenever possible to advance our mission.

The mission of the Galveston Bay Foundation is to preserve, protect and enhance the natural resources of the Galveston Bay estuarine system and its tributaries for present users and for posterity.

The Ipswich River has been named one of the most endangered in the nation due to extreme low-flow conditions. The Ipswich River Watershed Association (IRWA) serves as the voice of the Ipswich River and its watershed. We work to ensure ecological integrity, healthy fisheries, adequate stream flows, clean water, reliable drinking water supplies, and outstanding recreational opportunities for the region. IRWA is dedicated to using sound science and management tools to balance human uses of the river with ecosystem needs.

Restore 50 reef sites around the world through our underwater artificial art sculpture reefs and inspiring a global movement to prevent the death of our coral reefs.

To recover and restore a variety of threatened marine species, while connecting people to ocean wildlife. We aim to promote green, sustainable living, through education and outreach, both in person and online.

Protect the Northfield watershed.

MissionTo conserve and restore the natural and cultural resources of the Chesapeake Bay watershed for the enjoyment, education and inspiration of this and future generations.We serve as a catalyst for change, advancing strong public and private partnerships, developing and using new technology and empowering environmental stewardship.Our objective is to accelerate progress to conserve 30% of the Chesapeake watershed by 2030 by equitably connecting people to the Chesapeake while conserving and restoring priority lands and waters.

Charleston Waterkeeper's mission is to protect and restore Charleston's waterways for our community and for future generations. We do this through our data-driven programs, advocacy campaigns, and promoting wise stewardship decisions through education and outreach activities. Our overarching goal is to protect the public's fundamental right clean, healthy water.