With the Obama administration focusing on addressing some of the low-hanging fruit like conservation and energy efficiency to tackle our energy and climate challenges, energy efficiency has become a key issue in policy discussions in the United States. E&ETV traveled to Paris for the annual Energy Efficiency Global Forum and Exposition, hosted by the Alliance to Save Energy, for a series of interviews and panel discussions about the challenges to, and potential of, energy efficiency. Today's segment features E&ETV's interview with Björn Stigson, president of the World Business Council for Sustainable Development. Stigson explains how government and industry can work together to expand and promote energy efficiency. He also discusses the prospects for climate legislation in the United States.