Professor Clark’s research focuses on how global change affects populations, communities, and ecosystems. Current projects explore consequences of climate, CO2, and disturbance on dynamics of forests. His lab is using long-term experiments and monitoring studies to determine disturbance and climate controls on the dynamics of 20th century forests in combination with extensive modeling to forecast ecosystem change. At Duke University, Clark teaches Biodiversity Science and Applications and Ecological Models & Data. He has served as Director for the Center on Global Change, and Director of Graduate Studies for the University Program in Ecology. He currently serves on the University Program of Ecology Executive Committee and chairs the Nicholas School of the Environment committees on Life Sciences and Distinguished Professorships. For excellence in teaching and research, he was one of 15 scientists recognized by President Clinton with the National Science Foundation s five-yr Presidential Faculty Fellow Award. He was named an Aldo Leopold Leadership Fellow, on behalf of the Ecological Society of America. He is a Distinguished Alumnus from Natural Resources Conservation, University of Massachusetts. In 2005, he was elected to the American Academy of Arts and Sciences. Clark has testified before congress on behalf of the Ecological Society of America and the NSF budget.