COTAP will offset 20 tonnes of CO2 (a $300 value) on behalf of each of the first 50 Cotappers to refer 5 or more new donors who offset 5+ tonnes ($75) each. New donors/Cotappers are also eligible if they are one of the first 50 Cotappers to successfully refer 5+ new donors who offset 5+ tonnes each. For full program details, and to check your referrer's progress, please see https://cotap.org/refer/. For questions, please contact us at support at cotap dot org.