
In America's dusty Corn Belt this spring, the land was drowning. In China's Yangtze river basin, it's bone dry. Farmers in both are fighting a losing battle to save the soil that produces our food.
Carolyn Olson figures she did everything she could to protect her 1,100-acre farm near Cottonwood, Minnesota. She grows three-foot-high tall-grass buffer strips around her fields to protect the soil and in winter plants crops to provide ground cover.