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Published online 5 April 2007 | Nature | doi:10.1038/news070402-9
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Return of the dust bowl?
Climate change set to make the arid southwest even drier.
The drought that spawned the great American Dust Bowl of the 1930s may become the new climatic norm for much of the southwestern United States and other subtropical regions of the world. In a report published today, researchers in the United States and Israel project an imminent increase in aridity in subtropical regions over the next century, which will affect several important agricultural regions.
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