Plastic, large and small, macro and micro, has become a scourge of oceans and waterways everywhere. Researchers reported in the August issue of Science that about 4 million to 12 million metric tons of plastic washed offshore in 2010 alone - enough to cover every foot of coastline on the planet. That’s just the beginning of the problems, the team says, as scientists still don’t know where more than 99% of ocean plastic debris ends up. We take a look at the problem beginning with a clean up crew on a beach on Vashon Island, southwest of Seattle.
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