[Steve_Seattle]

" . . . the massive ice sheet might pass its “threshold of viability” – a tipping point where the loss of ice couldn't be stopped. Once you pass that threshold,” Box said, “the current science suggests that it would become an irreversible process."

To me, their research suggests the very opposite - that the melting process comes and goes, and is mostly unrelated to human factors. And how they can claim the melting process at some point would become "irreversible" is beyond me.

[rightwingextremist1776]

The “threshold of viability” of man made global warming melted away a long time ago....The scam is becoming more visible every day.

[okie01]

" . . . the massive ice sheet might pass its “threshold of viability” – a tipping point where the loss of ice couldn't be stopped. Once you pass that threshold,” Box said, “the current science suggests that it would become an irreversible process."

That is, of course, unless it got cold again...