Yale Environment 360: In the 19th century, as land-hungry pioneers steered their wagon trains westward across the United States, they encountered a vast landscape of towering grasses that nurtured deep, fertile soils.
Today, just three percent of North Americas tallgrass prairie remains. Its disappearance has had a dramatic impact on the landscape and ecology of The worlds cultivated soils have lost 50 to 70 percent of their original carbon stock. the U.S., but a key consequence of that transformation has largely...