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Study: Apostle Islands water has highest concentration of plastic pollution among national parks studied

Samples collected from the Apostle Islands National Lakeshore had an average of 170 to 225 pieces of microplastic per kilogram of sand, according to the study. (National Park Service)

BAYFIELD, Wis. — A recent study of 35 national parks found the waters off an island in northwestern Wisconsin had the highest concentration of plastic pollution. The National Park Service, South Carolina’s Clemson University and the National Oceanic and Atmospheric Administration Marine Debris Program began working on the two-year study in 2015. Samples collected from […]

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