Earth's Tropics Belt ExpandsDecember 2, 2007 By SETH BORENSTEIN, AP Science Writer in Earth / Earth Sciences
(AP) -- Earth's tropical belt seems to have expanded a couple hundred miles over the past quarter century, which could mean more arid weather for some already dry subtropical regions, new climate research shows.
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"Earth's Tropics Belt Expands" December 2, 2007 http://phys.org/news/2007-12-earth-tropics-belt.html