Risk. He has led official U.S. delegations to several countries and has worked on and participated in many UN events. His current research addresses the linkage of scientific findings to the policy process. Dr. Kelmelis received a B.A. (magna cum laude) from Central Connecticut State College, an M.S. from the University of Missouri–Rolla, and a Ph.D. from Pennsylvania State University.

XAVIER R. LOPEZ is director of Oracle Corporation’s Spatial Technologies. He is responsible for incorporating location and semantic technologies across Oracle’s database, application server, and business applications. He has 18 years of experience in geospatial technologies. He has been active in numerous academic and government research initiatives on geographic information; has served on the National Academies Transportation Research Board and on the boards of directors of the Geographic Information Technology Association and the International Geographic Information Foundation; and was editor of the Journal of the Urban and Regional Information Systems Association. He is author of a book on spatial information policy and of over 100 scientific and industry publications pertaining to spatial information technology. He is the recipient of Fulbright, Ford, and University of California, Berkeley postdoctoral fellowships. He holds a Ph.D. in spatial information engineering from the University of Maine and an M.A. in urban and regional planning from the Massachusetts Institute of Technology and was an independent major in geography at the University of California, Davis.

DENNIS OJIMA is senior research scientist at the Natural Resource Ecology Laboratory of Colorado State University (CSU), where he was interim director in 2005–2006. He is also a senior scholar and codirector of mitigation programs at the H. John Heinz III Center for Science, Economics, and the Environment and assistant professor in the CSU Rangeland Ecosystem Science Department. His current U.S. research contributes to the North American Carbon Project. His research is in global change effects on ecosystem dynamics and regional climate change assessment for the Central Great Plains and in international efforts in Central Asia, Mongolia, and China. His research with the Chinese Academy of Sciences includes development of regional carbon management. Dr. Ojima is also member of the U.S. National Committee for the Scientific Committee on Problems of the Environment and was a member-at-large of the Governing Board of the Ecological Society of America (2005–2007). He received a B.A. in botany from Pomona College, an M.S. in botany from the University of Florida, and a Ph.D. in rangeland ecosystem science from Colorado State University.

BRIDGET R. SCANLON is a senior research scientist in the Bureau of Economic Geology of the Jackson School of Geosciences of the University of Texas at Austin. The primary objective of her research group is to assess sustainability issues with respect to water resources in the context of climate variability and

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