How COTAP Works

Where Your Money Goes and When


After we receive your donation, you’ll receive a detailed receipt like this one. outlining how your tonnes will divided between projects. COTAP’s purchases from projects then show up on the Markit Environmental Registry like this. You can track COTAP’s progress and download projects’ annual reports, which contain details of community payments and funds received from COTAP, in our Transparency section.

General Diagram of How COTAP Works (click to enlarge)


How It Works - Map 5.16.13

A Brief Primer On Carbon Offsets


Carbon offsets are reductions in carbon dioxide (CO2) that compensate for emissions of CO2 that occur somewhere else. Carbon offsets are tool individuals and organizations can use as they make efforts to reduce their CO2 output and to counteract the emissions which they haven’t yet been able to eliminate themselves. When you purchase carbon offsets, you are indirectly compensating others for the performing the service of removing your unavoidable carbon pollution from the atmosphere. Through COTAP, you’re paying smallholder farmers in developing countries for planting and maintaining trees which capture and store your CO2 emissions.

Carbon offsets are also referred to as carbon credits. Depending on which standard they’re governed by, carbon offsets also have technical names. COTAP offsets are registered under the Plan Vivo Foundation standard and are referred to as Plan Vivo Certificates, or PVC’s. PVC’s are verified and issued in increments of 1 metric tonne (2,205 pounds) of projected CO2 sequestration, and they are tracked on the centralized Markit registry like this. Carbon credit “retirement” is the event when credits are permanently de-listed from the Markit registry on behalf of a buyer. This means they cannot be re-sold, and that’s when an offset transaction to a project, through COTAP, technically becomes official.

A Detailed Example


Here’s how tonnes from an actual transaction were allocated, with the Cotapper’s name changed to protect their privacy. On 12/6/12, Gary Swanson chose the Quick & Easy offsetting option, contributing $150 with tonnes to be allocated evenly to all COTAP projects (Nicaragua, Uganda, Mozambique, and Malawi at the time of Gary’s transaction).

COTAP’s portfolio average donation rate is $9.90 per tonne, so 3.788 tonnes were allocated to each project. Because COTAP’s margins are 100% transparent, we know that for the Nicaragua, Uganda, Mozambique, and Malawi projects COTAP charges $8.80, $8.80, $12.10, $9.90 and pays out $8, $8, $11, and $9 respectively. Thus each project was respectively owed $30.30/$30.30/$41.67/$34.09.

The funds from Gary’s $150 offset transaction were paid out on 5/3/13, 1/16/13, 1/18/13, and 2/19/13, respectively and retirement of credits pertaining to Gary’s offset transaction occurred or will occur on 12/15/13 (not a typo!), 1/21/13, 1/28/13, and 3/15/13, respectively. 3.788 of Gary’s tonnes are supporting the Nicaragua project’s 2013 planting season or “vintage”, 3.788 tonnes were offset by Uganda’s 2011 vintage, 3.788 tonnes were offset by Mozambique’s 2010 vintage, and 3.788 tonnes were offset by Malawi’s 2010 vintage.

COTAP itself earned $13.64 on this transaction, out of which $4.65 went to Google Checkout transaction fees (we’ve since switched to 100% PayPal). COTAP tracks all of the above details each and every time someone offsets their CO2 emissions with us.

Learn More About COTAP


To learn more, please see the Mission, Projects, How It Works, How We’re DifferentTransparency, and Standards sections of our site and see our above menu.

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