Why is the Sahel shifting?


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  • "Growing deserts 'a global problem'." CNN. 2005. http://www.cnn.com/2005/WORLD/europe/06/17/desertification.report/index.html
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  • Youth, Howard. "Saving the Sahel." Zoogoer. Smithsonian National Zoological Park. 2002. http://nationalzoo.si.edu/Publications/ZooGoer/2002/3/savingsahel.cfm

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