Toxic Mercury Ring Around Canadian Tar Sand Oil Fields

The Vancover Observer reports that a ring of toxic mercury is surrounding Canadian tar sands: Levels of mercury in a vast area surrounding the controversial Alberta tar sands oil fields are on the rise and have reached levels up to 16 times higher than 'background' levels—a toxic side effect of the extraction process—according to a group of Canadian governmental scientists. The report, which has not yet been published, reveals a "bull's-eye" ring of the neurotoxin encompassing over 7,300 square miles around the tar sands site. The scientists said levels decreased in samples the further they got from the tar sands site. This significant result dooms the Keystone Pipeline.

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