May 1, 2013: Critical Materials for Energy Technologies - What are the key issues around extracting, processing and using materials needed for our increasing global energy needs? Moderator: Barbara Goss Levi, Contributing Editor, Physics Today. Panelists: Sangwon Suh, Professor, Bren School of Environmental Science & Management, UCSB; Tom Graedel, Professor, Indsutrial Ecology, Yale University; Robert Jaffe, Professor, Physics, MIT; Alexander King, Director, Ames Laboratory. (#25558)