The Environmental Protection Agency (EPA) recently announced new regulations to limit hazardous emissions at three of Arizona’s coal plants near Cholla, St. Johns and Willcox in an effort to reduce regional haze, visibility problems in the national parks and possible negative health effects. Some Arizona residents, physicians and tribal leaders have shown their support for implementation of the EPA’s guidelines to clean the air, but others believe these changes are unnecessary and may hurt … [Read more...] about EPA Guidelines Creating Controversy