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Contrasting Climate Change in the Two Polar Regions

Introduction The Fourth Assessment report of the Intergovernmental Panel on Climate Change (IPCC) noted that the global average surface air temperature had increased by 0.65° C ± 0.2° C for the period 1901-2005 (IPCC, 2007). There is now strong evidence that anthropogenic activity in the form of increasing greenhouse gas emissions is responsible for this near-surface warming that has been observed in the global data. However, the increase in temperature is not uniform across the Earth. Land areas have warmed...

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