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ITALY - JUNE 05: The headquarters of the Food and Agriculture Organization of the United Nations stand in Rome, Italy, on Thursday, June 5, 2008. World leaders meeting to discuss soaring food prices appeared set to drop calls for more controls on biofuels in a final declaration to win agreement on a plan to halve the number of hungry people by 2015. (Photo by Victor Sokolowicz/Bloomberg via Getty Images)

ITALY - JUNE 05:  The headquarters of the Food and Agriculture Organization of the United Nations stand in Rome, Italy, on Thursday, June 5, 2008. World leaders meeting to discuss soaring food prices appeared set to drop calls for more controls on biofuels in a final declaration to win agreement on a plan to halve the number of hungry people by 2015.  (Photo by Victor Sokolowicz/Bloomberg via Getty Images)