The current US border wall with Mexico, seen from the United States in Nogales, Arizona - prototypes of Donald Trump's proposed wall are being built in California President Trump recommended ...

The Sahara’s growth is bad for nature, leading to species loss. This makes soil and water availability worse. The “Great Green Wall” aims to stop desertification and help local people.

BEIJING, Jan. 9 (Xinhua) -- China and Africa are partners with concrete actions in climate response and the pursuit of green development, Chinese foreign ministry spokesperson Guo Jiakun said on ...

The Great Green Wall is a project first adopted by the African Union in 2007, initially conceived as a way to combat desertification in the Sahel region and slow the expansion of the Sahara.

There isn’t much green in the Sahara Desert, but after an unusual influx of rain, the color can be seen from space creeping ...

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes.

Learn about the causes and effects of desertification, and Africa's Great Green Wall is helping to stop the spread of the Sahara desert. Cold environments Learn about the location, characteristics ...