Toronto's Don River carries 36,000 kg of microplastics into Lake Ontario each year, finds study

PHYSorg
Oct 24, 2025, 12:17 pm457 ptsHotTop
Researchers at the University of Toronto have found that Toronto's Don River carries over 500 billion microplastic particles into Lake Ontario each year—equal to about 36,000 kilograms, or the weight of 18 cars.

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