#1 According to the World Bank, 44 million people around the globe have been pushed into extreme poverty since last June because of rising food prices.#2 The world is losing topsoil at an astounding rate. The National Academy of Sciences has determined that cropland in the U.S. is being eroded at least 10 times faster than the time it takes for lost soil to be replaced. The U.S. is losing topsoil faster than during the dustbowl of the 1930s.
Read more: http://www.seattlepi.com/default/article/The-lowdown-on-topsoil-It-s-disappearing-1262214.php#ixzz1JbvY764x
The primary causes are deforestation, overexploitation for fuel wood, overgrazing, agricultural activities and industrialization.
#3 Due to U.S. ethanol subsidies, almost a third of all corn grown in the United States is now used for fuel. This is causing an increase in the price of corn.
#4 Due to a lack of water, some countries in the Middle East find themselves forced to almost totally rely on other nations for basic food staples. For example, it is being projected that there will be no more wheat production in Saudi Arabia by the year 2012. (read more)