USGS Report: “It’s Raining Plastic”: Microplastics in the Mountains? The United States Geological Survey (USGS) recently released its report of particulates found in eight locations across the Colorado Front Range using the National Atmospheric Deposition Program/National Trends Network.ย The study, which was conducted from January 24, 2017, to December 19, 2017, and included twelve collection dates surprisingly (or not so surprisingly) found microplastics present or possibly present in 9 […] Weather Jonathan Thomson | August 23, 2019 0 Comments