The Atlantic

When you step back and look at the country as a whole, the United States only generates just small fraction of its electricity from renewable energy sources -- about 10.4 percent in 2010, according to the U.S. Energy Information Administration. That's the entire contribution of hydro power, wind, solar, geothermal, biomass, and the other assorted green forms of energy that many hope our economy will transition to in the 21st century.