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This week has seen world-wide unrest over food prices and mounting criticism that biofuels, which are mainly derived from food crops, are furthering a surge in these prices and have a negative impact on the environment. We take up the debate. Host: Dave Iverson Guests:
Dan Kammen, professor of energy at UC Berkeley and co-director of Berkeley's Institute of the Environment
Neil Koehler, board member of the Renewable Fuels Association and president and CEO of Pacific Ethanol, Inc., a leading marketer and producer of renewable fuels in the Western U.S.
Roz Naylor, economist and director for the Program on Food Security and the Environment at Stanford University
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