Published March 09, 2011, 12:00 AM


AP photo

In this Jan. 22, 2010, photo, a ground-level flare roars at a well site in western Wyoming's Upper Green River Basin, where ozone levels last week exceeded the worst days in major U.S. cities last year. Local residents complain of runny eyes, nosebleeds and shortness of breath and say the air is hazy. Gas industry officials say they're taking steps to reduce air pollution.

Read the article: Natural gas creates Wyoming smog issue