Katharine Hayhoe is a Professor in the Public Administration program at Texas Tech University, where she is also Director of the Climate Center. Her research focuses on developing and applying high-resolution climate projections to evaluate the future impacts of climate change on human society and the natural environment. She has served as lead author on key reports for the U.S. Global Change Research Program and the National Academy of Sciences, including the Second, Third and Fourth U.S. National Climate Assessments and has been named the UN Champion of the Environment.