Six of the nation's 10 largest sources of carbon dioxide emissions are coal-fired power plants in the South, but year after year Southern lawmakers balk at pushing utilities toward cleaner renewable energy. Last month, Republican senators from the South provided about half the votes that defeated federal legislation to require power companies to get 15 percent of their electricity from renewable sources by 2020. Nationally, almost half the states have adopted their own renewable mandates, but only one, Texas, is in the South. Southern lawmakers -- responding to heavy lobbying from local utilities -- argue their region isn't conducive to solar or wind power like the sun-baked Southwest or the open plains of the West.

WASHINGTON, DC, United States (UPI) -- Multiple reports and studies, especially those published in the last year, suggest the United States, specifically the East Coast, has great potential for offshore wind. The politicized debate over whether to develop wind power offshore has dragged on since the late 1990s, when the first project was proposed in Cape Cod, Mass., off the Nantucket Sound. Since then there have been several other proposals, none of which has been completely approved.