This new paradigm of abrupt climate change has been well established over the last decade by research of ocean, earth and atmosphere scientists at many institutions worldwide.

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Meteorologist Lord (Julian) Hunt, who chaired the meeting of the All Party Parliamentary Group on Climate Change, clarified that an abrupt methane release from the current warming was not inevitable, describing that as "an issue for scientific debate".

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Pressure from demography, climate change and shifts in economic power builds up quietly for a long time and then triggers abrupt shifts.

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