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90% of Great Lakes water samples have unsafe microplastic levels – report

90% of Great Lakes water samples have unsafe microplastic levels – report

About 90% of water samples taken over the last 10 years from the Great Lakes contain microplastic levels that are unsafe for wildlife, a new peer-reviewed paper from the University of Toronto finds. About 20% of those samples are at the highest level of risk, but the study’s authors say the damage can be reversed if the US and Canada quickly act. “Ninety per cent is a lot,” said Eden Hataley, a University of Toronto researcher and study co-author. “We need to answer some basic questions by monitoring … so we can quantify risks to wildlife and humans.”