Denver Post: A comprehensive analysis of emissions and ozone pollution in the Uintah Basin in eastern Utah concluded that the primary source is oil and gas operations.
The oil-field operations created about 99 percent of the volatile organic chemical emissions and about 70 percent of the nitrogen oxides emitted in the basin.
"It isn't surprising, this is a rural area," said Brock LeBaron, who managed the study for the Utah Department of Environmental Quality.
Across the West -- from Colorado's Front...