We’re already heard about unrest in Mexico thanks to soaring tortilla prices, which in turn is due to increased farm land being used for biofuels. A piece in earth2tech notes that food prices could rise by anything between 40 and 80%, unless crop efficiency is boosted.
Joachim von Braun, director-general of the International Food Policy Research Institute, told a group of reporters that governments need to invest in increasing the efficiency of biofuel production or else global food prices will soar.