Oil and gas companies were responsible for over seven hundred spills in Colorado last year. There were 128 in Garfield County-- making up nearly twenty percent of accidents statewide. That’s according to a review of public data by the Denver nonprofit, Center for Western Priorities. A spokesman for the agency that oversees oil and gas development in Colorado, the Colorado Oil and Gas Conservation Commission, is "neither endorsing nor challenging" the report. APR’s Elise Thatcher talks with CWP's Policy Director Greg Zimmerman, who points out the spills released more than a million gallons of oil and other chemicals into the environment.