A global food crisis

If the word crisis is vastly overused, to speak of a global food crisis is, if anything, an understatement. The first signs of trouble appeared in 2000, when global grain stocks declined for the first time in several decades, but it was not until the spring of 2007 that the full gravity of what was occurring became clear. That year, the prices of the principal food staples — rice, corn, soybeans and wheat — effectively doubled. 

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