Energy executive T. Boone Pickens speaks during a roundtable at the National Clean Energy Summit 2.0 at the University of Nevada Las Vegas in Las Vegas

 
Energy executive T. Boone Pickens speaks during a roundtable at the National Clean Energy Summit 2.0 at the University of Nevada Las Vegas in Las Vegas
Energy executive T. Boone Pickens (L) speaks during a roundtable at the National Clean Energy Summit 2.0 in Las Vegas, Nevada August 10, 2009. At right is Van Jones, a special advisor for the White House Council on Environmental Quality. REUTERS/Las Vegas Sun/Steve Marcus (UNITED STATES ENERGY)