How Will Climate Change Affect the Sahara?

A geologist's findings in Africa challenge the way scientists think about the threat of desertification

Stefan Kröpelin, a 62-year-old geologist at the University of Cologne, is one of the world's preeminent explorers of the Sahara desert. He's created a storm by challenging the extent to which man-made global warming is having on the region

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(article freely accessible via Google - search: 'wsj kroepelin')