GLOBAL WARMING WILL BE 3 DEGREES HOTTER

BY ALAN OSBORN

Scientists from the Potsdam Institute for Climate Impact Research in Germany have found that doubling the concentration of CO2 in the atmosphere could lead to global warming of between 1.2 and 4.3°C, with the most likely value being around 3°C. The team ran 1,000 climate computer models with variations in cloud behaviour, ocean currents and other factors going back to the last ice age.

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