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The arctic ice that is over land is predominantly over Greenland, which I mentioned, Careful Reader.
The point still stands. This would take well over 40C in warming, and potentially over 60C (depending on variables that we don't fully understand). NO ONE credible is predicting even 10C in warming over the next TWO HUNDRED years. 40C would require at least a millennia assuming that NOTHING else happened... Like a solar gran minimum, which historically happens every few hundred years.
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