Panel I The Honorable Todd D. Stern Special Envoy for Climate Change U.S. Department of State Panel II The Honorable Timothy E. Wirth President United Nations Foundation and Better World Fund (Former United States Senator) The Honorable Eileen Claussen President Pew Center on Global Climate Change (Former Assistant Secretary of State for Oceans and International Environmental and Scientific Affairs) Steven Groves, J.D. Bernard and Barbara Lomas Fellow The Margaret Thatcher Center for Freedom The Heritage Foundation