Great Green Walls – holding back the deserts

Desertification and land degradation affect the lives of around three billion people, according to UN estimates. Two ambitious projects aim at halting desertification and returning soil to productivity: the Great Green Wall project in northern Africa; and the Green Great Wall initiative in China.


This is a companion discussion topic for the original entry at http://www.abc.net.au/radionational/programs/futuretense/2019-10-08/great-green-walls-%E2%80%93-holding-back-the-deserts/11582384