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(From Guardian Unlimited)
This week's scientific review meeting in Copenhagen shows that climate scientists are no longer bothering to suppress their desperation for policy action on climate change. Their latest horror discovery is the potential loss of most of the Amazon rainforest no matter what we do about emissions.
Lord Stern wondered whether politicians really understand how bad it is going to be if we don't act. In his influential 2006 report, he now admits, he underestimated the speed of global warming and the economic costs of its impacts. We have to allocate at least 20% of national stimulus packages to fighting climate change, he now professes. …