Tuesday, November 24, 2009

Climate Change Tipping Points Move Closer

Climate Tipping Points of No Return

Climate change won’t be a smooth transition to a warmer world, warns the Tipping Points Report by Allianz and WWF. Twelve regions around the world will be especially affected by abrupt changes, among them the North Pole, the Amazon rainforest, and California.

We tend to think of climate change like the retreat or growth of a glacier, a slow and steady process, almost imperceptible, but following a fairly predictable, perhaps even manageable path.

Or to put it differently, an avalanche is a lot worse than just heavy snowfall, and it does not happen in slow motion. Pressure builds until a threshold, or tipping point is passed, and catastrophe ensues.

Sea level rises, unpredictable monsoons in India, Amazon die-back, and the desertification of Southwest North America (California and neighboring states) are the most significant climate change catastrophes we face, according to the report’s authors from the Tyndall Centre for Climate Change Research.

Climate Tipping Points of No Return
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