Canadian scientists have found that the standard way of tallying air and climate pollution from Alberta’s oil sands vastly understates pollution levels there — by as much as 4.5 times, according to a Canadian government study published Monday. The study shows that air samples collected using aircraft may be a more accurate way to tally air and climate pollution from oil and gas production than using industry estimates. Both the U.S. and Canadian governments rely on energy companies’ self-reported emissions estimates in order to count all the pollution from oil and gas operations. Few actual pollution measurements are taken.
— source climatecentral.org