Four football fields of land degrade into desert every second. That equates to an area almost as large as Ethiopia each year.

ZHANG GUOJUN/XINHUA A revolutionary land management model is being applied across the fields of Northeast China to restore its precious and fertile black soil. Black soil, characterized by its ...

Soil erosion is a major worldwide threat to agro-ecosystem sustainability and land productivity. Fallout radionuclides and stable isotopes are used to measure magnitudes and sources of soil erosion, ...