amazon drought nearing climate tipping point
July 25, 2006 12:05 AM Subscribe
The Amazon rainforest becomes "a desert" after three consecutive years without rain - the trees die. Next year would be the third year of an ongoing drought. The forest contains 90 billion tons of carbon (or about 45 years of stored human emmisions at current rates) - 3/4's of the carbon is released within a year of dieing. The Amazon is "headed in a terrible direction".
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