Thanks to the Center for Biological Diversity for this article. See http://www.biologicaldiversity.org/news/center/articles/2011/new-york-times-06-04-2011.html
The New York Times, June 4, 2011
A Warming Planet Struggles to Feed Itself
By Justin Gillis
CIUDAD OBREGÓN, 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.
Consumption of the four staples that supply most human calories – wheat, rice, corn and soybeans – has outstripped production for much of the past decade, drawing once-large stockpiles down to worrisome levels. The imbalance between supply and demand has resulted in two huge spikes in international grain prices since 2007, with some grains more than doubling in cost.
Those price jumps, though felt only moderately in the West, have worsened hunger for tens of millions of poor people, destabilizing politics in scores of countries, from Mexico to Uzbekistan to Yemen. The Haitian government was ousted in 2008 amid food riots, and anger over high prices has played a role in the recent Arab uprisings.
Now, the latest scientific research suggests that a previously discounted factor is helping to destabilize the food system: climate change.
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