There is no single reason for the rise but rather, many contributing factors such as population growth, weather and of course, traders making a short term buck. The Independent:
Food riots, geopolitical tensions, global inflation and increasing hunger among the planet’s poorest people are the likely effects of a new surge in world food prices, which have hit an all-time high according to the United Nations.
The UN’s index of food prices – an international basket comprising wheat, corn, dairy produce, meat and sugar – stands at its highest since the index started in 1990, surpassing even the peaks seen during the 2008 food crisis, which prompted civil disturbances from Mexico to Indonesia.
“We are entering danger territory,” said the UN Food and Agriculture Organisation’s chief economist, Abdolreza Abbassian.