Is the Sahara desert advancing? Why?



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    The Sahara desert is expanding into the Sahel as a result of desertification processes. This is often blamed on man-made actions that put an ecological stress on dryland ecosystems. Desertification is a problem in many arid areas including Arabia and Australia. In Africa, the threat to the agricultural Sahel region could create dire food scarcity conditions in already impoverished areas.

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