Invasive green crab at Keji seaside could soon become biodegradable plastic

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Discussion posted by: Arye ben-Shaoul

Invasive green crabs that have caused major problems for native species like eelgrass at Nova Scotia’s Kejimkujik National Park Seaside could be the latest solution to reducing plastic pollution in the ocean. Parks Canada has teamed up with a McGill University professor to find a way to turn the shells of the pesky crabs into a biodegradable plastic that could be used to make cutlery, cups or plates. Crabs harvested from the park just south of Liverpool, N.S., will be shipped this spring to Montreal, where Audrey Moores has developed a non-toxic way to transform a polymer naturally found in crustacean shells into a hard, opaque plastic-like material. “What we know is that if we take regular crab shells, shrimp shells, lobster shells, we have very good results, so we’re fairly confident that the green crab should not be different,”