Wyoming is one of several states currently updating its plan to address regional haze, but local environmental groups say its plan isn t enough. More than two decades ago, the Environmental Protection Agency created the Regional Haze Rule to improve air quality in designated areas including national parks by reducing haze, or the cocktail of air pollution that limits visibility. Poor air quality has reduced average visibility in the West by up to 100 miles, according to the EPA, and the effects of that pollution can be far from its sources. .
Haze of controversy: EPA must force stricter air quality controls in Wyoming, conservation groups say trib.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from trib.com Daily Mail and Mail on Sunday newspapers.
EPA must force stricter air quality controls in Wyoming, conservation groups say gillettenewsrecord.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from gillettenewsrecord.com Daily Mail and Mail on Sunday newspapers.