A Wall worth building? Sept 26, 2017 7:10:10 GMT -5 Post by robeiae on Sept 26, 2017 7:10:10 GMT -5 Watch this short video: www.bbc.com/news/av/magazine-41391844/why-is-africa-building-a-great-green-wallMore details on the project: www.greatgreenwall.org/great-green-wall/And some more: www.nationalgeographic.org/news/great-green-wall/A source for getting involved: plantingtogether.com/projects/great-green-wall/