WASHINGTON -- Finance ministers gathered this weekend to grapple with the global financial crisis also struggled with a problem that has plagued the world periodically since before the time of the Pharaohs: food shortages.

Surging commodity prices have pushed up global food prices 83% in the past three years, according to the World Bank -- putting huge stress on some of the world's poorest nations. Even as the ministers met, Haiti's Prime Minister Jacques Edouard Alexis was resigning after a week in which that tiny country's...