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Feeding a growing world population, likely to reach 9 billion by 2050, poses an unprecedented challenge to human ingenuity. How to satisfy the demand for food by the some 8 billion people who will live in the developing world is a particularly pressing food security question. Even in the best of circumstances, sustainably satisfying the increased demand for crops and livestock by these people will be an enormous challenge. The negative consequences of climate change on food production make meeting these food requirements even more daunting.

Apparent similarities between today’s rising wheat prices and the food-price crisis of 2007-2008 are just that: apparent, not real. Suggestions to the contrary serve to drive up prices and hurt poor people, who spend much or most of their incomes on food. They need neither jittery markets nor ad hoc protectionism, which has exacerbated past food crises.