Climate change could raise sea levels by 7 feet by 2100, shocking study reveals

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Ocean levels are rising due to climate change and the long-held view is that sea levels would rise nearly three feet by the year 2100. A startling new study has suggested that view is woefully incorrect. Instead, sea levels could rise more than double that amount if global temperatures rise more than expected.

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If sea levels were to rise by more than two meters (6.5 feet) that the study's authors believe is possible, an event they said "lies within the 90 percent uncertainty bounds," the devastation could be catastrophic. A rise in temperatures by 5 degrees Celsius would cause significant declines in ice levels in Greenland, as well as Antarctica. At the 2 degree Celsius level, Greenland would be the major concern in contributing to the rise in sea levels.

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Global sea-levels have been rising at approximately 3 millimeters per year, according to the new study, which was published in the Proceedings of the National Academy of Sciences.

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