Humboldt Plan It GreenHumboldt Plan It Green hosts a yearly conference on Building Green Communities each spring at the Arcata Community Center.
College of the Redwoods' Visiting Writers SeriesThis series at CR bring three writers and/or poets to the local community per academic year. All events are free and open to the public.
Arcata Folk Dance FestivalThe Biannual Arcata International Folk Dance Festival takes place on even years the first weekend in April. This festival features workshops in traditional world music, singing and dance.
Godwit Days Bird Migration FestivalThe annual birding festival for Arcata and Humboldt County, with three days of field trips, tours, and workshops with wildlife experts.