new projects focusing on sustainable agriculture at the University’s Russell Ranch site. Additionally, he works on sugar and oilseed crops and on the reuse of saline drainage water for crop, forage, and livestock production in salt-affected areas of the San Joaquin Valley. He is co-chair of the new University of California work group on bioenergy feedstock production, and a member of the UC-Davis Bioenergy Research Group and the California Biomass Collaborative.

Dennis R.Keeney is emeritus professor of Agronomy and former director of the Leopold Center for Sustainable Agriculture, Iowa State University. He is currently senior fellow, Institute for Agriculture and Trade Policy in Minneapolis, MN, and the Department of Soil, Water and Climate, University of Minnesota, St. Paul. He is also active with the lowa Environmental Council and the Center for a Livable Future, Johns Hopkins University, Thomas Jefferson Agriculture Institute, and Food and Water Watch.

Fran V.Kremer is a senior science advisor for the Land Remediation and Pollution Control Division of the National Risk Management Research Laboratory at the U.S. Environmental Protection Agency. Dr. Kremer has conducted research on underground storage systems with regards to the fate and transport of methyl tert-butyl ether (MTBE) in groundwater and the development and evaluation of passive and active low-cost biological treatment systems. She is also initiating research on the fate and transport of ethanol in groundwater and the impact of ethanol upon the hydrocarbon fraction in a gasoline spill, as well as developing biotreatment approaches for remediation of petroleum and non-petroleum oil spills in estuarine and fresh water environments.

Elizabeth Marshall is a senior economist/associate at the World Resources Institute. Her expertise is in agriculture and food; climate change, energy, and transportation; and people and ecosystems. Her work includes the assessment of the impact of biofuel production on the environment and agricultural structure, and how policy influences feedstock production, technology change, and the environment.

Richard G.Nelson is director and department head, Engineering Extension Programs, Kansas State University. He has over 13 years’ experience in biomass research, performing a number of biomass resource assessments at a county, regional, state, and national basis for agricultural crop residues and herbaceous energy crops. His research focuses on environmental

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