Architects "could be very important" to Africa's Great Green Wall says Elvis Paul Tangem

The coordinator of the mammoth Great Green Wall project to heal land in Africa's Sahel region, Elvis Paul Tangem, calls for help from architects in this interview conducted as part of Dezeen's Designing for Disaster series.
One of the world's most ambitious climate initiatives, the Great Green Wall is targeting around 780 million hectares of degraded land – an area roughly the size of Australia.
"We're talking about a massive, massive, massive endeavour, but it's the only way we can do it,