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Head Of UN Climate Panel Urges 'Enlightenment' From Gov'ts

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AP Photo / Alonzo Adams

Intergovernmental Panel on Climate Change chairman Rajendra Pachauri told governments and scientists on Monday that their task at the week-long meeting in Berlin is to agree on a "robust, policy-relevant and informative document" in order to keep global temperature increases below 2 degrees Celsius (3.6 F) by the end of the century.

Experts say this will require a 40-70 percent cut in greenhouses gas emissions by 2050. There are sharp differences between nations over how to achieve this and who will pay for it.