Oil sand mining is not polluting Athabasca Delta, new sampling method reveals

7 enero 2015

A new study into the pre-industrial baseline levels of heavy metals in sediment carried by the Athabasca River shows that emissions from the Alberta oil sands and other human activities have not yet increased the concentrations traveling to the Athabasca Delta around 200 kilometers from the oil sands.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9tP5SUr2xXc/150107123136.htm

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