Amazon droughts increase climate change fears

AMAZON DROUGHT

• Scientists: 2010 drought was more widespread and damaging than in 2005
• Tropical rainforests such as the Amazon act as a natural buffer to man-made emissions by absorbing huge amounts of carbon each year. However they become major emitters of CO2 during drought years.
• Tropical rainforests act as a natural buffer to man-made emissions
• Some climate models suggest climate change will increase number of droughts
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The Amazon River fell to its lowest level in decades, with many of its tributaries such as the Rio Negro completely drying up in some area.CNN.com