Humboldt Plan It GreenHumboldt Plan It Green hosts a yearly conference on Building Green Communities each spring at the Arcata Community Center.
Redwood Coast Dixieland Jazz FestivalAnnual 3 day festival of traditional Dixieland, swing, blues, calypso, and zydeco music in Eureka.
Humboldt Math FestivalAnnual Community Celebration of Mathematics - by and for community members, teachers, students, & professionals of all kinds who use mathematics. Activities, Displays, Career & Technical Information.
