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Los Angeles Times
Source: Los Angeles Times
1 DayLos Angeles Times
Source: Los Angeles Times
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A UC Riverside scientist collected 43 snow samples at seven Sierra Nevada sites in spring 2024 and found microplastics at every location, including remote wilderness. The study found storms deposited more plastic near populated areas, and snowfall brought down about 7.5 times as much plastic per day as dry weather at the Mammoth Mountain site. Snow after longer dry spells contained more particles, raising concerns because Sierra snowmelt supplies water to about 27 million Californians.
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