The tiny particles that shed from clothing, packaging and other plastic products are winding up in the fish that people eat, according to a new study from Portland State researchers, highlighting a need for technologies and strategies to reduce microfiber pollution entering the environment.

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In the first week of January 2025, a potent winter storm delivered snow, ice, and freezing temperatures to the central and eastern United States.

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The simulation, published Jan. 6 in the journal Nature Water, shows that rainfall and snowmelt flow much farther underground than previously understood and that more than half the water in streams and rivers originates from aquifers once thought to be so deep as to be walled off from streams.

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