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Food Supply Under Strain on a Warming Planet

For related articles and more information, please visit OCA's Environment and Climate Resource page, Organic Transitions page, and our Farm Issues page.


CIUDAD OBREGON, Mexico - The dun wheat field spreading out at Ravi P. Singh's feet offered a possible clue to human destiny. Baked by a desert sun and deliberately starved of water, the plants were parched and nearly dead.

Dr. Singh, a wheat breeder, grabbed seed heads that should have been plump with the staff of life. His practiced fingers found empty husks.

"You're not going to feed the people with that," he said.

But then, over in Plot 88, his eyes settled on a healthier plant, one that had managed to thrive in spite of the drought, producing plump kernels of wheat. "This is beautiful!" he shouted as wheat beards rustled in the wind.

Hope in a stalk of grain: It is a hope the world needs these days, for the great agricultural system that feeds the human race is in trouble.

The rapid growth in farm output that defined the late 20th century has slowed to the point that it is failing to keep up with the demand for food, driven by population increases and rising affluence in once-poor countries.  


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