Food prices have risen 130% since 2002. The World Bank estimates that up to 75% of the increase is due to demand for biofuels…

Clearing grasslands to plant biofuel crops releases 93 times as much greenhouse gas as will be saved by the fuels grown on the land each year. Destroying Indonesian peat bogs releases 420 times as much.

Jesse Finfrock and Nichole Wong, “Pouring Biofuel on the Fire,” in Mother Jones, March/April 2009