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Offset Your CO2 Emissions by the Tonne

US$ 9.90 per tonne | 90.9% goes to projects | 100% U.S. tax-deductible

Offset any number of tonnes at right. For individuals in the U.S., our calculator is provided below. Others can find their per-capita carbon emissions figures here.

Carbon Footprint Calculator (U.S.)


Offsetting by Check


Make your check payable to Carbon Offsets To Alleviate Poverty (COTAP) and mail to:

Carbon Offsets To Alleviate Poverty (COTAP)
3857 Lakeshore Avenue
Oakland, CA  94610  U.S.A.

To receive an emailed donation acknowledgement letter instead of a mailed one, please be sure to include your email address.

Where Your Money Goes


Your tonnes will be evenly allocated to our projects and you will receive a detailed offset acknowledgement like this one. Your tonnes will be included in our public carbon credit retirements on the Markit Environmental Registry like this. You can track COTAP’s progress and download projects’ annual reports, which contain detailed accounting of payments to communities, in our Transparency section.