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Crosscurrents

What's in the Water?

Published December 3, 2025 at 6:00 AM PST
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A building at UC Berkeley's Central Sierra Snow Lab, buried in snow on March 30th, 2023.
Joshua Sirotiak
A building at UC Berkeley's Central Sierra Snow Lab, buried in snow on March 30th, 2023.

Today, we’re in the Sierra Peaks to hear how snowmelt may contribute tiny bits of plastic to Bay Area drinking water. Then, the backstory behind a seasonal San Francisco show. Bah humbug!

Crosscurrents