Summit Voice: Widespread mercury pollution from wind-carried smokestack emissions has widely been recognized as a huge environmental problem, with concentrations of the toxic heavy metal building up in the food chain around the world. The pollutant has been especially prevalent in the Arctic, and now researchers think they know why. Along atmospheric sources, circumpolar rivers are also carrying the element north into the Arctic Ocean. Seasonal fluctuations in mercury levels provided an early clue as to...
URL: http://summitcountyvoice.com/2012/05/22/global-warming-could-boost-mercury-levels-in-arctic/
Enclosure: http://summitvoice.files.wordpress.com/2012/05/image_large.jpg?w=468&h=309
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