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This is an archive of AGU's GeoSpace blog through 1 July 2020. New content about AGU research can be found on Eos and the AGU newsroom.

PHOTO- dust storm Chandler AZ 8.11.2012 -ChristopherScragg-3008×2000-landscape

PHOTO- dust storm Chandler AZ 8.11.2012 -ChristopherScragg-3008x2000-landscape

The frequency of dust storms in the American Southwest like this one in Chandler, Arizona, in August 2012, has more than doubled from the 1990s to the 2000s, according to new NOAA-led research.
Credit: Christopher Scragg.