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Global Climate Change Accelerating Faster Than IPCC Estimates

The Washington Post writes that scientists have significantly underestimated the rate and impact of climate change. This has occurred because the recent IPCC Fourth Assessment Report mostly ignored the potential for non-linear "amplifying" feedbacks in the carbon cycle. These feedbacks threaten to be an order of magnitude greater than current human CO2 emissions, and could potentially render irrelevant any future human attempts to reduce CO2 emissions.  Major feedback mechanisms include methane emissions from melting permafrost, catastrophic forest fires from drought-stricken tropical forests, and altered ocean circulation that diminishes the CO2-sink capacity of the ocean. It's good to see this problem hitting the international media.



Category: Climate Change Science
 
 
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