Found in Your Beaches & Creeks

Ocean Conservancy International Coastal Cleanup data (to access the data you must create a free account)

“Tides.” TIDES.https://www.coastalcleanupdata.org/

Ocean Conservancy 2019 ICC report (this report assess 2018's data)

“Final-2019-ICC-Report.” Ocean Conservancy. https://oceanconservancy.org/wp-content/uploads/2019/09/Final-2019-ICC-Report.pdf