Tag: full disclosure

Some of the biggest natural gas producers in Colorado are part of a coalition of operators in the massive Marcellus Shale play in the eastern United States that is backing “full disclosure” of chemicals used in the controversial drilling process called hydraulic fracturing. But critics say those same companies – specifically EnCana and the Williams Companies – have a different standard when it comes to hydraulic fracturing, or “fracking,” in Colorado.

Green investor groups are pushing some of the nation’s largest natural gas drilling companies to come clean on hydraulic fracturing, a process that injects...