National Geographic (July 2009)
"Desertification, drought, and despair—that's what global warming has in store for much of Africa. Or so we hear.Emerging evidence is painting a very different scenario, one in which rising temperatures could benefit millions of Africans in the driest parts of the continent.The green shoots of recovery are showing up on satellite images of regions including the Sahel, a semi-desert zone bordering the Sahara to the south that stretches some 2,400 miles (3,860 kilometers).Images taken between 1982 and 2002 revealed extensive regreening throughout the Sahel, according to a new study in the journal Biogeosciences.The study suggests huge increases in vegetation in areas including central Chad and western Sudan."
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