A new study shows that the collapse of an ice sheet in Antarctica up to 14,650 years ago may have caused sea levels to rise between 14 and 18 metres, data which could help make more accurate climate-change predictions.
The melting of polar ice could contribute to long-term sea level rise, threatening the lives of millions, scientists say. Sea levels have increased on average about 18 centimetres since 1900 and rapid global warming will accelerate the increase, putting coastlines at risk and forcing low-lying cities to build costly sea defences.
A rise of 2 metres by 2100 is predicted.
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