350 Humboldt is a grassroots volunteer organization.

Your donation supports education, advocacy and mobilization on the local level in support of regional, national and international climate action goals. No amount is too small or too large!

You can donate by check, made out to “350 Humboldt”

Mail your check to 350 Humboldt, P.O. Box 231, Bayside, CA 95524.

*As an organization that supports political candidates, contributions to 350 Humboldt are not tax deductible.