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Save The Bay is the largest regional organization working to protect, restore and celebrate San Francisco Bay since 1961. Save The Bay engages more than 50,000 supporters, advocates, and volunteers to protect the Bay from pollution and reckless shoreline development and make it cleaner and healthier for people and wildlife. Save The Bay is leading a region-wide effort to re-establish 100,000 acres of tidal marsh that are essential for a healthy Bay. Volunteers from the community, local businesses, and schools work with our science team to perform hands-on restoration of the Bay shoreline. Save The Bay inspires the next generation of Bay activists through our award-winning restoration education programs.

River Network grows and strengthens a transformational national network of water, justice, and river advocates. We envision a powerful and inclusive movement that ensures abundant clean water for all people and nature to thrive. We believe that joy and hope for our planet flows through our rivers.

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.

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.

Friends of the River protects and restores California Rivers. We envision a climate resilient water future with healthy rivers, equal access to safe and affordable drinking water, and a thriving sustainable economy for all Californians.

To involve local people in the enhancement and protection of the South Santiam watershed for the social and economic benefit of its landowners, managers, and users.

The mission of the Little Falls Watershed Alliance is to protect the fragile natural environment in lower Montgomery County and adjacent DC neighborhoods and to ensure that the natural spaces in our area persist for generations to come.

Founded in 1996, the Reef Check Foundation exists to help preserve the oceans and reefs which are critical to our survival, yet are being destroyed. With headquarters in Los Angeles and volunteer teams in more than 90 countries and territories, Reef Check works to protect tropical coral reefs and California rocky reefs through education, research and conservation.

Protect the Northfield watershed.

The Chocorua Lake Conservancy protects the scenic and natural resources of the Chocorua Lake Basin and surrounding area through conservation practices, land protection, easements, maintenance of lands for public access, and the development of a community of support.The Chocorua Lake Conservancy achieves this mission by:- Enabling convenient public access to Chocorua Lake and trails on conservation lands it owns;- Protecting the Chocorua Lake Basin and surrounding area from development;- Preserving the pristine water quality of Chocorua Lake, its sources, and its outflow;- Conducting and modeling sustainable forestry operations on its conservation lands; and,- Developing a community of support through education, outreach, volunteer opportunities, and community activities.

OpEPA USA, founded in 2006, is a sister organization of OpEPA Colombia founded in 1998. The organizations were created as a means to reconnect children and adults with nature and promote positive environmental actions in Colombia and Latin America. Colombia is one of the most biodiverse countries in the world. It has an incredible wealth of ecosystems, flora, fauna and cultural diversity. However, Colombia suffers from serious environmental degradation. Deforestation, high levels of urban waste, polluted water and reduced air quality are just four of a litany of similar issues. The environmental movement in Colombia has employed the range of conventional tactics to address these issues. Public awareness campaigns have dotted the airwaves, and legislative changes have improved the legal basis for pursuing polluters. But young people, "the next generation of consumers and decision makers," cannot be scolded or legislated into caring about the environment. To truly change the way they approach environmental issues, they must feel personally compelled to transform the status quo. This is what OpEPA targets to do.

The mission of Water Charity is to implement practical solutions to provide safe water, effective sanitation, and meaningful health education to those in need.