CausesJason Woodhead/Flickr Colorado approves controversial greenhouse gas smokestack rules Colorado air commission set greenhouse gas limits, but also allowed 18 major corporations to buy credits or pay into compensation fund.
Causeswww.rawpixel.com Clean air reps quit advisory group amid revelations of ongoing problems with emission reduction credit program Resignations follow stories from Capital & Main and Type Investigations on faulty permitting system and under-monitoring.
