Failing to achieve the Paris agreement goal of limiting global warming to 1.5 °C could trigger multiple dangerous 'tipping points' where changes to climate systems become self-sustaining, according to a major new study published in Science.
Even current levels of warming have already put the world at risk of five major tipping points – including the collapse of the Antarctic and Greenland ice sheets –"The way I think about it is it'll change the face of the world – literally if you were looking at it from space," given long term sea-level rise, rainforest death and more, senior author Tim Lenton of the University of Exeter told AFP.
Global 'core' and regional 'impact' climate tipping elements, with cryosphere elements in blue, biosphere green and ocean-atmosphere orange. Four of these move from"possible" events to"likely" at 1.5 °C global warming, with five more becoming possible around this level of heating.is"making a commitment eventually to an extra 10 meters of global sea level," said Lenton, though this particular change may take hundreds of years.Coral reefs are already experiencing die-offs due to warming-induced bleaching, but at current temperatures they are also able to partly recover.
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