New study finds that the world’s largest desert grew by 10 percent since 1920, due in part to climate change. Tree planting is a useful approach to the mitigation of climatic change.
Reference: Natalie Thomas, Sumant Nigam. Twentieth-Century Climate Change over Africa: Seasonal Hydroclimate Trends and Sahara Desert Expansion. Journal of Climate, 2018; 31 (9): 3349 DOI: 10.1175/JCLI-D-17-0187.1