Paul Raskin is the founding President of the Tellus Institute, which has conducted over 3,500 research and policy projects throughout the world on environmental issues, resource planning, scenario analysis, and sustainable development. His research and writing has centered on propagating the Great Transition. Raskin has served as a lead author on a number of high-profile international reports, including the U.S. National Academy of Science's Board on Sustainability, the Millennium Ecosystem Assessment, the United Nations Environment Programme's Global Environment Outlook, the Earth Charter, and the Intergovernmental Panel on Climate Change (IPCC) Third Assessment Report.