Microplastic mountain
According to a new study, dust that settles on Colorado’s mountain snowpack, including in the San Juans, contains widespread levels of microplastics, raising questions about impacts to human health and the environment. In the early 2000s, the Colorado Center for Snow and Avalanche Studies (CSAS) and other partners began tracking the “dust-on-snow” phenomenon … In 2011, however, samples from these dust events from 14 monitoring sites across the state began to show traces of unknown materials. Over the ensuing years, better sampling methods led researchers to confirm the dreaded truth: microplastics …
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