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Suppose you eat rice every day. But one day you go to the store and discover that the price is more than you can pay. That happened to millions of people two years ago at the height of the world food crisis. Between April of two thousand seven and March of two thousand eight the price of rice doubled in many places. Economists blamed the crisis on different causes, including high energy costs, bad weather and the use of food-crop lands for biofuel production. High food prices pushed more people in developing countries into poverty and hunger. Some researchers say people living in cities in West... 

Today we continue telling about a report by three geography experts from American colleges. They studied food security in Gambia, Ivory Coast and Mali over thirty years. In the nineteen eighties, governments and lenders like the World Bank and the International Monetary Fund changed market policies. They launched free markets designed to improve agriculture. The report, however, suggests that the changes caused loss of important support systems for farmers. Private investment in agriculture largely replaced government help. In some places, roads and mills built to help farmers fell into ruin....