Alberta Floods

Toxic taint: Tests in Alberta industrial heartland reveal air-quality concerns

New air-quality tests in one of Canada's largest petrochemical processing regions have revealed more evidence of short-lived but concentrated plumes of toxic chemicals. The tests by a Nobel-prize-winning lab at University of California Irvine echo previous results scientists have recorded for known carcinogens in the area northeast of Edmonton. "It is a snapshot, but it's no fluke," said Donald …

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