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Canada toxic carcinogens from tar sands oil production underestimated
Production of crude oil in western Canada emits more harmful carcinogens into the environment than official estimates let on, according to a new study. The Keystone XL pipeline would, if approved, move tar sands oil from Alberta through the US to Texas.
A new study by the University of Toronto-Scarborough published Monday in the Proceedings of the National Academy of Sciences reported that Canadian...
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