Mike Morris »
CEO, American Electric Power -- in 2007, AEP was the biggest single emitter of CO2 in America.
|David Ratcliffe »
CEO, Southern Company -- a Georgia-based utility, its coal plants generate CO2 emissions second only to AEP.
|Jim Rogers »
CEO, Duke Energy -- one of America's major utilities, it operates in the Midwest and Southeast. Seventy percent of its power comes from coal.