Arid and semi-arid lands represent 41% of the Earth’s surface, and the proportion is growing. These regions are more vulnerable to global warming than humid areas. If the CO 2 emission rate ...

Arid land research focuses on areas with less than eight inches of annual precipitation. Such landscapes prove difficult to restore and nearly 40% of the planet consists of semi-arid or arid land ...

In the Sahel – a semi-arid region south of the Sahara desert ... has seen China fill the void left by the exit of French and US forces – and part of a planned strategy by Beijing to ...