The fate of the latest oil sands mining project in Alberta may be decided by the estimates of carbon emission from the province’s oil and gas industry—and Alberta and the federal government differ on how fast the oil-rich province is approaching its carbon emissions limit. According to data from the federal Canadian government, as cited by The Globe and Mail, Alberta will reach 87 megatons of emissions this year, while its cap is 100 megatons. The provincial government of Alberta, however, argues that the emissions in Alberta’s…