Gallery: Now There’s Microplastic Pollution in the Great Lakes Too

 

Plastic pollution on Bicaz Lake in Romania for illustrative purposes only, Shutterstock

Swirling plastic pools as large as countries have long collected in our oceans, but now researchers have found that the Great Lakes face a similar problem, Discovery reports. While on a recent outing with students, environmental chemist Sherri Mason wondered whether plastic might be floating in the world’s largest freshwater system, so she and other researchers returned with a large trawl and a mesh net that traps anything larger than one third of a millimeter. They took 21 samples from Lakes Superior, Erie and Huron, which revealed that in some places there are up to 650,000 bits of plastic in a square kilometer.

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