One third of the cropland in the upper Midwest has entirely lost its fertile topsoil, according to a new study. Other scientists doubt that... New Evidence Shows Fertile Soil Gone From Midwestern ...

Throughout human history, our relationship with the soil has affected our ability to cultivate crops and influenced the success of civilizations. This relationship between humans, the earth, and food ...

A new study suggests patches of fertile soil in the Amazon, known as dark earth, were intentionally produced by ancient Amazonians as a way to improve the soil and sustain large and complex societies.

Soil on hilltops in this photo is lighter in color, revealing a loss of fertile topsoil. (Evan Thaler for NPR) Farming has destroyed a lot of the rich soil of America's Midwestern prairie. A team of ...