Policymakers worldwide are advocating a move to energy sources that don't rely on fossil fuels. Could hydrogen be the answer — or at least part of the answer? In this hour, we'll talk about moving toward a hydrogen economy — the technological developments necessary to make it a reality, how long such a shift would take, and whether a move to hydrogen would truly free us from a dependence on fossil fuels.
Stephen Pacala, director of Carbon Mitigation Initiative. Petrie Professor of Ecology, Department of Ecology and Evolutionary Biology at Princeton.
John Turner, principal scientist, National Renewable Energy Laboratory in Golden, Colo.
Amy Jaffe, Wallace S. Wilson fellow for energy studies, James A. Baker III Institute for Public Policy. Associate director, Rice Energy Program at Rice University in Houston.