Ocean Conservancy has run the International Coastal Cleanup since 1986 and uses the resulting data set to argue for plastics policy in the US and at the UN treaty talks. Donations fund the Trash Free Seas programme, the Clean Swell app and policy work.
It is a 501(c)(3) (Employer Identification Number 23-7245152) with about USD 49 million in annual revenue (ProPublica, financial year (FY) to June 2025: projects.propublica.org/nonprofits/organizations/237245152). Note: oceanconservancy.org blocked our automated fetch on 23 September 2026; the pages were confirmed through a text proxy and the ProPublica and Candid listings.
How to start: oceanconservancy.org/donate/