The Economist: The End of Cheap Food

Rising food prices are a threat to many; they also present the world with an enormous opportunity

http://www.economist.com/opinion/displaystory.cfm?story_id=10252015

Rising incomes in Asia and ethanol subsidies in America have put an end to a long era of falling food prices

http://www.economist.com/opinion/displaystory.cfm?story_id=10250420