Berkeley Digital Seismic Network - Arcata: Seismic study site on the campus of Humboldt State University, under the auspices of the Geology Department.
Institute for Ecological Tourism: Promotes stewardship of natural resources through carefully planned and executed ecotourism development which emphasizes education and research while assuring minimal impact on natural and cultural resources.
Northcoast Environmental Center (NEC): The NEC, created in February 1971, is one of the most influential and certainly the oldest coalition: educating, agitating and litigating on behalf of the environment in the Klamath~Siskiyou region of northwestern California.