Alberta's oilsands could be worse for the environment than previously thought, new study suggests
"We find a pretty significant difference," says the lead author of a new report.Flames shoot from a flare at the Suncor Energy Inc. Millennium upgrader plant in this aerial photograph taken above the oilsands near Fort McMurray, Alta., on Sept. 10, 2018. A new study suggests carbon dioxide emissions linked to Alberta's oilsands could be much higher than previous estimations.may be significantly higher than industry reports.
Until now, all carbon dioxide emission estimates from the oilsands have been based on a combination of some ground measurement and a great deal of mathematical modelling — so-called bottom-up estimation. "There's still more work to be done,'' Liggio said."But I will say there are many, many studies using top-down approaches which have also shown that top-down are generally higher.''
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