Researchers measured snowfall in the remote Sierra Nevada and found 270 to 7,500 microplastic particles per square meter. The mechanism is atmospheric scavenging, where falling snowflakes collect airborne fibers and fragments. These plastics originate from clothing wear and industrial activity, traveling far from their source.
This matters because the Sierra snowpack supplies thirty percent of California's freshwater. However, the study did not measure actual health impacts or determine if these particles reach drinking water. The concentrations represent small mass totals, even if the particle counts seem high.
my other side: ivo.blogspot.com
Leave a Reply