Prof. Mann: Due to a misunderstanding of how ice cliffs melt, the IPCC has likely vastly underestimated Antarctic melting. Sea level rise due to melting is likely to be 100% greater than what the IPCC originally predicted - 2 meters of sea rise by end of century instead of 1 meter.

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Prof. Mann: Due to a misunderstanding of how ice cliffs melt, the IPCC has likely vastly underestimated Antarctic melting. Sea level rise due to melting is likely to be 100% greater than what the IPCC originally predicted - 2 meters of sea rise by end of century instead of 1 meter.