BusinessAfrica'Great Green Wall' raises hopes to stop SaharaTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusinessAfricaKatharina Bahn08/04/2021August 4, 2021The vast Sahara desert is expanding due to reduced rainfall. In Senegal, people are planting a "Green Wall" to stop its progress and bring greenery back to the arid land.https://p.dw.com/p/3yYQGAdvertisement