This is the area the UN says could be rehabilitated. Desertification is a form of land degradation by which fertile land ...

Desertification occurs when an area's climate turns drier, and fertile land becomes barren due to factors caused by human activities—mainly climate change and poor land use. Drylands ...

and "over the longer term" to prevent "desert encroachment" on urban areas or fertile, arable land. China's desertification has been "primarily caused by human activities, such as overgrazing ...

The strong water currents erode the soil, washing away the fertile farmland and leaving ... Soil erosion leads to desertification, disrupting aquatic life and degrading water quality.