Hank tells us about the enormous concentrations of plastic debris floating around in the Pacific Ocean, why they’re there and why they’re a problem.
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References
http://marinedebris.noaa.gov/info/patch.html
http://en.wikipedia.org/wiki/North_Pacific_Gyre
http://en.wikipedia.org/wiki/Great_Pacific_Garbage_Patch
http://www.mnn.com/earth-matters/translating-uncle-sam/stories/what-is-t…
