Katharine Hayhoe is an atmospheric scientist with an expertise in high-resolution regional climate projections and climate impact assessment. She is an associate professor in the Department of Political Science and director of the Climate Science Center at Texas Tech University, part of the Department of Interior’s South-Central Climate Science Center. Katharine’s work has resulted in over 50 peer-reviewed publications and many key reports including the U.S. Global Change Research Program’s 2009 report, “Global Climate Change Impacts in the United States”; the U.S. National Academy of Science 2011 report, “Climate Stabilization Targets: Emissions, Concentrations, and Impacts over Decades to Millennia”; and the upcoming 2013 U.S. National Climate Assessment. In addition to these reports, she has led climate impact assessments for a broad cross-section of cities and regions, from Chicago to California and the U.S. Northeast. Katharine has a B.Sc. in physics and astronomy from the University of Toronto and an M.S. and Ph.D. in atmospheric science from the University of Illinois.