Canada vastly underestimated the tar sands’ cancer-causing toxins

“Our study shows that emissions of polycyclic aromatic hydrocarbons estimated in environmental impact assessments conducted to approve developments in the Athabasca oil sands region are likely too low. This finding implies that environmental concentrations in exposure-relevant media, such as air, water, and food, estimated using those emissions may also be too low. The potential therefore exists that estimation of future risk to humans and wildlife because of surface mining activity in the Athabasca oil sands region has been underestimated.”
PNAS [Proceedings of
the National Academy of Science
s]

The way Canadian Harper government has behaved one could fairly assume the underestimation was deliberate and that the authors of this research exposing the danger will face retaliation. It takes guts to be a scientist.

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