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Microplastics in various compartments of the urban water cycle
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This study traced microplastics through various compartments of the urban water cycle — including stormwater, wastewater, tap water, and surface water — to characterize contamination levels and likely transport pathways. The findings highlight the urban water infrastructure as both a source and pathway for microplastic pollution.
International audience
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This review systematically analyzed microplastic contamination in urban stormwater runoff and sediments, finding concentrations that varied enormously across global studies. Researchers found that stormwater is a major but underappreciated pathway for delivering microplastics to rivers, lakes, and oceans. The study highlights that better stormwater management practices are needed to reduce this significant source of aquatic microplastic pollution.
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