Arctic Research Commission, the NASA Earth Science Subcommittee, the National Research Council Committee on Hydrologic Science, the National Science Foundation’s Arctic System Science Program Committee and the Arctic HYDRA International Polar Year Planning Team. He also was on a National Research Council panel that reviewed NASA’s polar geophysical data sets, the decadal study on earth observations, and is Co-Chair of the National Science Foundation’s Arctic CHAMP hydrology initiative. He has assembled regional and continental-scale hydro-meteorological data compendia, including the largest single collection, Arctic-RIMS (covering northern Eurasia and North America).

John M. Wallace (NAS) has directed his research at improving our understanding of global climate and its year-to-year and decade-to-decade variations, making use of observational data. He has contributed to the identification and understanding of a number of atmospheric phenomena, including the vertically propagating planetary waves that drive the quasi-biennial oscillation in zonal winds in the equatorial stratosphere, the 4-5-day period easterly waves that modulate daily rainfall over the tropical oceans, and the dominant spatial patterns in month-to-month and year-to-year climate variability, including the one through which the El Nio phenomenon in the tropical Pacific influences climate over North America. He has contributed to documenting the existence of El Nino- like variability on a decade to decade time scale (the so called ’Pacific Decadal Oscillation’). He earned a B.S. in Naval Architecture (1962) from the Webb Institute of Naval Architecture. He then went on to earn a Ph.D. in meteorology from the Massachusetts Institute of Technology in 1966.

Gary W. Yohe is the Huffington Foundation Professor of Economics and Environmental Studies at Wesleyan University; he has been on the faculty at Wesleyan for more than 30 years. He received his PhD in Economics from Yale University in 1975. Most of his recent work has focused on bringing risk-management perspectives to the mitigation and adaptation/impacts sides of the climate issue. Involved with the IPCC since the mid 1990s, he served as a Lead Author for four different chapters in the Third Assessment Report and as Convening Lead Author for the Fourth Assessment Report. In the Fourth Assessment, he also worked with the Core Writing Team to prepare the overall Synthesis Report. He is now serving as a Lead Author in one chapter and a Convening Lead Author in another for the Fifth Assessment Report. Dr. Yohe is a member of the New York City Panel on Climate Change and the NRC Standing Committee on the Human Dimensions of Global Change. He also served on the NRC’s America’s Climate Choices Adaptation Panel, the NRC Panel on Addressing the Challenges of Climate Change through the Behavioral and Social Sciences, and the NRC Committee on Stabilization Targets for Atmospheric Greenhouse Gas Concentrations. He is co-editor of Climatic Change and a Vice-Chair of the National Climate Assessment Development and Advisory Committee.

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