Warming of +1.5 °C is too high for polar ice sheets.

Since the mid-1990s, however, there is a clear trend of mass loss from both the GrIS and WAIS when averaged over the last three decades (Fig. 2 ); whereas the EAIS has remained close to balance, albeit with much larger uncertainties and with a larger spread of estimates from different methods 18 , 29 .

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