The Hot Zone

Climate change could signal prolonged droughts in American Southwest

Think the 1930s “Dust Bowl” was bad in the American West? Scientists have found evidence of “mega-drought” events that lasted centuries to millennia in the same region during warm, interglacial periods in the Pleistocene era (370,000-550,000 years ago). The evidence heightens concern over how the region will react to the modern day global temperature spikes. A dust storm in Oklahoma, 1936. Photo: Arthur Rothstein The American Southwest is already predicted to get pretty dry... [Read more]

Posted by Alison Hawkes on February 25, 2011 1 Comment »
Category : Climates of the Past

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