William Nordhaus is the A. Whitney Griswold Professor of Economics at Yale University and was a member of the U.S. President’s Council of Economic Advisers. His research focuses on economic growth and natural resources as well as the question of the extent to which resources constrain economic growth. Recently, his work has focused on the economics of global warming, including the construction of integrated economic and scientific models to determine an efficient path for coping with climate change. He is a member of the National Academy of Sciences, a member and senior advisor of the Brookings Panel on Economic Activity, and a Fellow of the American Academy of Arts and Sciences. Professor Nordhaus has served on the executive committees of the American Economic Association and the Eastern Economic Association. He has served as a member of the Board on Sustainable Development and several National Research Council committees.

Jonathan Overpeck is both a Professor and Director of the Institute for the Study of Planet Earth at the University of Arizona. Dr. Overpeck’s research focuses on global change dynamics. In particular, his research aims to reconstruct and understand the full range of climate system variability, recognize and anticipate possible “surprise” behavior in the climate system, understand how the earth system responds to changes in climate forcing, and detect and attribute environmental change to various natural (e.g., volcanic, solar) and non-natural (e.g., greenhouse gases or tropospheric aerosol) forcing mechanisms. A major research component is to build an understanding of how key tropical systems vary on timescales longer than seasons and years. This work is motivated by hints that the key tropical climate systems have surprising modes of variability not present in the short instrumental record, and that shifts between modes can take place over intervals as short as a few years. Dr. Overpeck served on the National Research Council’s U.S. National Committee for the International Union for Quaternary Research.

Dorothy Peteet is both a Senior Research Scientist at the NASA Goddard Institute for Space Science and an Adjunct Senior Research Scientist at the Lamont Doherty Earth Observatory of Columbia University. Dr. Peteet’s research includes both climate modeling and paleoclimatic investigation using pollen/macrofossil studies. She has documented terrestrial abrupt climate changes and then used general circulation models (GCMs) to explore the sensitivity of the models to various rapid forcings, including changes in ocean temperature. Her research focuses on understanding the mechanisms and causes of rapid climate change.



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