Tahoe in the News

Scientists found microplastics in Sierra snowpacks. Should we worry about Bay Area drinking water?

Nora Mishanec | SF Chronicle
March 18, 2023

Scientists have found microplastics in snowpacks across the Sierra Nevada, a jarring discovery that may help California regulators better understand how the polluting particles are entering the state’s drinking water supply.

The preliminary findings also indicate that microplastics — tiny fragments shed from synthetic clothing, food packaging and tires — are so widely dispersed that they have found their way to some of the most remote and pristine parts of the California landscape, a troubling development as scientists race to understand their long-term health impacts.

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