'Alarming' Amazon Droughts May Have Global Fallout

In 2010, the Amazon experienced its second major drought in five years ? both of which were thought to be once-in-a-century events. Researchers say continued dry conditions could turn the carbon-absorbing forest into a major source of carbon emissions.

Source: http://www.npr.org/2011/02/07/133462608/alarming-amazon-droughts-may-have-global-fallout?ft=1&f=1007

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