During the last interglacial period, summer temperatures were warmer and the Greenland ice sheet smaller than today. Modelling suggests that the low ice-sheet volume was not simply a consequence of high ambient temperatures.
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Ganopolski, A., Robinson, A. The past is not the future. Nature Geosci 4, 661–663 (2011). https://doi.org/10.1038/ngeo1268
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DOI: https://doi.org/10.1038/ngeo1268
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