Several tipping points in Earth’s climate, such as die-off of coral reefs and melting of permafrost, are likely to be triggered with just 1.5°C of warming, according to a major new assessment
and weakening of the Atlantic conveyer belt.
Nonetheless, he says it is urgent that societies act to stop tipping points being reached, to prevent impacts such as, which could result from losing Antarctic and Greenland ice sheets over millennia or centuries. “We’d be locking in future generations to an extremely different planet with 10 metres or more sea level rise. It would completely reshape the coasts of every continent,” says Armstrong McKay.
One thing the new research doesn’t consider is how the tipping points might interact with each other. Some could exacerbate others, while some will have a cooling effect offsetting the warming effect of others.Amazon transforming from rainforest into savannah
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