A non-profit organization in Northern California dedicated to protecting biological diversity and promoting sustainable living. Their work covers Humboldt, Mendocino, Del Norte, Siskiyou, and Trinity counties which contain key habitat for many endangered species. They also are dedicated to protecting fish habitat throughout Northern California, particularly on the Klamath and Smith Rivers. In addition, the Sustainable Communities Program assists North Coast residents who want information and resources for living lighter on the planet.