This week, the Council for Agricultural Science and Technology (CAST) released an issue paper titled, “Food, Fuel, and Plant Nutrient Use in the Future.” Two authors of the paper, David Zilberman, chair of the department of agricultural and resource economics at the University of California at Berkeley, and Bruce Dale of the department of chemical engineering and materials science at Michigan State University in East Lansing, presented key points of the paper in Washington, D.C.