Anthony Leiserowitz, Ph.D. is a scientist at the Yale University School of Forestry & Environmental Studies. He is an expert on public opinion about climate change and the environment. His research investigates the psychological, cultural, and political factors that influence public attitudes, policy support, and behavior. He conducts research at the global, national, and local scales, including many surveys of the American public. He also conducted the first study of worldwide public values, attitudes, and behaviors regarding sustainability, including environmental protection, economic prosperity, and human development. He has served as a consultant to the John F. Kennedy School of Government (Harvard University), the United Nations Development Program, the Gallup World Poll, and the World Economic Forum.