Ocean Wise Shoreline Cleanup (Canada)
Join or lead a litter cleanup on a shore, river or lake anywhere in Canada. The counts you record feed a national record used…
Citizen science
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Tangaroa Blue and the Australian Marine Debris Initiative (AMDI)
Donate (tax-deductible) or log what you pick up in the AMDI database, the national record of what litter turns up where, used for source-reduction…
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Australian Microplastic Assessment Project (AUSMAP): microplastic sampling and donations via Total Environment Centre (TEC)
Australia’s citizen-science microplastic survey, run by Total Environment Centre (a Class 1 deductible gift recipient, DGR1). Sample a shoreline or give to fund the…
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International Coastal Cleanup (Ocean Conservancy)
The world’s largest one-day clean-up, held each September, with every item counted in the Clean Swell app and published as open data.
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Sea Shepherd Marine Debris Campaign clean-ups
Monthly volunteer beach and waterway clean-ups run by Sea Shepherd chapters around Australia, with all debris counted as citizen-science data.
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Great British Beach Clean (Marine Conservation Society)
The UK’s annual survey-clean, 18 to 27 September 2026, where every item on a 100 m stretch is recorded; year-round beach cleans too.
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Sustainable Coastlines (New Zealand)
NZ charity (CC46615) running clean-ups and the Litter Intelligence national database; volunteer at events or donate (matched to 31 Dec 2026).
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Commonwealth Scientific and Industrial Research Organisation (CSIRO) National Marine Debris Portal
Report beach litter to CSIRO’s national portal; 7,000+ school citizen scientists have contributed to the Ending Plastic Waste mission’s data.
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The Big Plastic Count (UK)
One-week household or school count of every piece of plastic packaging; 68,000+ people took part in March 2026. Results go straight to ministers.
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Marine Debris Tracker app
Free open-data litter app from the University of Georgia and US National Oceanic and Atmospheric Administration (NOAA); 2 million+ items logged and downloadable for…