Humboldt BaykeeperHumboldt Baykeeper is working to protect and enhance Humboldt Bay and near-shore waters through community education, water-quality monitoring and pollution control.
Marine Wildlife Care CenterA rehabilitation center for oiled seabirds at Humboldt State University, part of the Oiled Wildlife Care Network. Arcata.
Environmental Protection Information CenterOrganization working to protect biodiversity and ancient forests. Garberville.
Agency for Sustainable Systems in Science and TechnologyNon-profit applied research organization dedicated to environmentally appropriate technologies. Arcata.