Anthony Leiserowitz, Ph.D. is a Senior Research Scientist at the Yale University School of Forestry & Environmental Studies and Director of the Yale Program on Climate Change Communication. He is an expert on American and international public opinion on global warming, including public perception of climate change risks, support and opposition for climate policies, and willingness to make individual behavioral change. His research investigates the psychological, cultural, political, and geographic factors that drive public environmental perception and behavior.