Photo detail

The Environmental Protection Agency proposal to cut carbon emissions, unveiled Monday, runs 627 pages. Arizona power plants would have to cut emissions by more than half under the plan, one of the steepest cuts in the country. (Cronkite News Service photo by Matthew Seeman)

Stories this photo appears in:

Tease photo

Arizona has among steepest cuts under new EPA carbon-emission rules

The EPA's Clean Power Plan standard call for a 30 percent reduction