What will happen to the Greenland ice sheet if we miss our global warming targets

By Bryn Hubbard, Professor of Glaciology, Aberystwyth University

It’s hard to overstate how crucial Greenland, and its kilometres-thick ice layer, is to climate change. If all that ice melted, the sea would rise by about seven metres – the height of a house.

But what happens if we fail to limit warming to 1.5°C (as looks increasingly likely)? And what happens if we do subsequently manage to rectify that “overshoot” and bring temperatures back down? A team of researchers writing in the journal Nature have now published a study exploring these questions.

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