Some environmentalists believe building more nuclear power plants today is the best way to combat climate change while solar and other renewable energy sources mature. Ira Flatow and experts discuss the economic and engineering hurdles to nuclear development in the U.S.
Thomas Cochran, nuclear physicist and senior scientist, nuclear program, Wade Greene Chair for Nuclear Policy, Natural Resources Defense Council, Washington, DC
Ernest Moniz, former under secretary, Department of Energy, director, MIT Energy Initiative, professor of physics and engineering systems, Massachusetts Institute of Technology, Cambridge, Mass.
Stewart Brand, president, The Long Now Foundation, co-founder, Global Business Network, Sausalito, Calif.