Summit Voice: Colorado communities looking to regulate the toxic and dangerous impacts of oil and gas drilling may not get any help from Gov. John Hickenlooper, but they may get some backup from a huge coalition of environmental groups that have petitioned the EPA for limits on oil and gas wells and associated equipment in population centers around the U.S.
As thousands of new wells are drilled across the U.S. every day, some studies suggest that at least 100,000 tons per year of hazardous air pollution from...