Thursday , June 17 2021

Are we targeting the worst scenario of climate change?

Sea ice is visible from NASA's research aircraft

Sea ice can be seen from NASA's Ice Bridges on the northwest coast on 30 March 2017 over Greenland.

A record number of Americans say they accept that global warming is happening, according to a new study by Yale's Climate Communication Communication Program and George Mason's University Climate Communications Communication Center, and nearly three-quarters of them say, that this is a problem that is personally important to them. Both numbers have risen sharply over the last few years – a change that could not be achieved soon enough, as remote critical points and worst climate scenarios that researchers have been predicting for decades have come true.

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This week, for example, researchers warned that Greenland's ice sheet has reached a critical point. If we look at more than a decade of ice loss, an international team of scientists found that the rate of ice loss in Greenland in early 2013 was four times higher than in 2003.

Not the fact that the loss of ice accelerated was surprising, but rather where it came from. There are two sources of ice loss in Greenland, according to Michael Bevis, a professor at the University of Ohio and lead author of the new study: pieces of glaciers that fall directly into the ocean and a meltdown, ice onshore. Climate scientists have known that the glaciers of the Arctic people have settled in the sea at an accelerated rate as the ocean around the island is warming, but its ice layer is relatively insulated from rising air temperatures, says Bevis.

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