Green Energy’s Big Challenge

SUBHEAD: When it comes to such a large-scale shift in energy supplies, few places face more of a challenge than the United States.By David Biello ON 20 January 2011 in Yale Environment 360 -(http://e360.yale.edu/feature/green_energys_big_challenge__the_daunting_task_of_scaling_up_/2362)Image above: To supply 25% of current energy by 2050 the U.S. will build 1,000 one-gigawatt nuclear reactors.