Pravda Ru:

The problem of hunger becomes more and more serious for millions of people around the world. A recent report from the World Bank said that food prices had grown by 33 percent since July 2010 and neared the peak level of 2008. The situation with food reserves in the world remains alarming, whereas domestic prices continue to fluctuate. The situation remains so unstable largely because of natural disasters, which affect the dynamics of food prices directly.

More:  http://english.pravda.ru/business/finance/16-08-2011/118762-food_prices-0/