How the UN is Holding Back the Sahara Desert

Permaculture instructor Andrew Millison journeys with the UN World Food Programme to the Northern border of Senegal to see an innovative land recovery project within the Great Green Wall of Africa that is harvesting rainwater, increasing food security, and rehabilitating the ecosystem. WFP Resilience Building: See more on the ground videos of WFP's work with Natalie Topa: Google Maps Location of site: 00:02 UN and villagers bring back barren wasteland in Africa 01:26 The Sagal River serves as a vital border and potential defense line against the Sahara Desert. 02:53 The Great Green Wall aims to halt the southern expansion of the Sahara Desert. 04:31 The Great Green Wall aims to protect the Sahel from the encroachment of the Sahara Desert. 06:01 Half Moons help retain water and rehabilitate land 07:30 Redefining water