1.4m sea level rise by 2100: West Antarctica is losing ice sheets faster than thought. This could result in a sea level rise of up to 1.4 metres by 2100, said a report by the Scientific Committee on Antarctic Research. Scientists had long held that the polar continents permafrost was resistant to global warming. The Intergovernmental Panel on Climate Change did not factor melting ice sheets in its forecast of 28-43 cm sea level rise by 2100. West Antarctica alone would add tens of centimetres to the sea level.
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