Microplastics found in freshly fallen snow in Sierra Nevada

By: Jeniffer Solis

Outlets: Nevada Current

Published: October 30, 2026

Words: 786

Last Updated: 1 week ago

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Microplastics are everywhere — including in Nevada’s snowpack.

After years of skiing on freshly fallen snow in remote locations across the Sierra Nevada, Aleksandra Karapetrova — an environmental toxicologist at the University of California, Riverside — wondered how pristine the snow really was.

Over six months, Karapetrova and a team of University of California, Riverside scientists tested fresh snowfall at seven sites across the Sierra Nevada and found something they did …

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