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Tires: The plastic polluter you never thought about

In 2014 biologist John Weinstein and his graduate students went looking for microplastics—the small bits of degraded plastic that researchers have discovered are spread throughout the environment.  The team was based at The Citadel military college in Charleston, South Carolina, where Weinstein is a professor. Working in a coastal city, they expected to find at least some evidence of microplastics, which are swept into the ocean. And sure enough, samples kept turning up.  Much of what they collected came from anticipated, identifiable sources, such as broken-down plastic bags. But more than half of the pieces were black, tubular, and microscopic, with no obvious origins.  Read more.....

 

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