Desertification turns fertile land into desert, harming ecosystems and human lives. In the Sahara, poor land management, climate change, and bad farming practices cause this.

While climate change is the most significant factor for desertification, it is crucial not to ignore that human activities are also partially responsible.

Nearly half of the Earth is vulnerable to desertification. Learn where and why desertification happens, as well as what can be done to prevent it.

But Evans and Burrell found that significant greening was much more extensive than previously acknowledged — and more than three times greater than desertification. It encompassed 41 percent of the ...

While the Sahara Desert is an important ecosystem in its own right, its human neighbors in the Sahel would like it to stop encroaching on their environment. [Andrew Millison] took a look at how the… ...

Africa's Great Green Wall program involves 11 countries across the Sahel region that have been affected by desertification for decades.

Desertification made worse by climate change is outpacing a U.N.-backed project to protect millions of people in Africa's Sahel region.

It would add to other huge desert regreening projects also underway. The Great Green Wall in Africa, for example, was launched in 2007 to help combat desertification.

What is desertification? Desertification is a form of land degradation by which fertile land loses much of its biological — and economic — productivity, and becomes desert.

A new report describes the Sahel region of Africa, a million mile band that runs through Mauritania to Sudan, as "the epicenter of global terrorism." We examine those findings.