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Give Now to Carbon Washington Foundation

Your gift enables the Carbon Washington Foundation to research and develop smart policies to address climate change, educate the public about the impacts, and build social capital for climate action. Carbon Washington Foundation is a 501(c)(3) charitable organization and your gift is tax deductible as allowed by law.



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Thanks for your support.

You can also mail a check to PO Box 85565, Seattle WA 98145. To ensure your gift is tax deductible, please make out the check toCarbon Washington Foundation”. If you wish to give to the political action arm of CarbonWA, please make out your check to “CarbonWA” and write “political” in the memo. 

Carbon Washington Foundation, Seattle, WA, is a 501(c)(3) organization, EIN 82-1310034. Donations are tax deductible as allowed by law. We are registered with the Washington State Secretary of State’s office under the Charitable Solicitation Act, registration no. 1141014. Additional info is available at the Charities Program, 1-800-332-4483 or

We do not solicit donations from other states that require charities to register.