Alberta's oilsands pump out more pollutants than industry reports, scientists find

Alberta's oilsands operations produce far more potentially harmful air pollutants than officially recorded — putting the daily output on par with those from gridlocked megacities like Los Angeles, new research suggests.More than a dozen Alberta oilsands facilities are emitting potentially harmful air pollutants at 20 to 64 times the rate reported to the government, according to new research published in the journal Science.

"When we measured the organic carbon emissions from the oilsands — the total organic carbon — those emissions were substantially higher than what industry is reporting," Liggio said in an interview. Oilsands operators estimate emissions data using what the study, published in the journal Science, called a "bottom-up" approach.

The study has "identified a difference between ground measurements and those collected in an aircraft that warrant further review," spokesperson Mark Cameron said in a statement.

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