Sufficiently fast reversal of global warming may prevent tipping of the Greenland ice sheet

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Bringing temperatures back closer to pre-industrial levels sufficiently fast may prevent tipping of the Greenland ice sheet and avoid drastic sea level rise even if critical temperature thresholds are crossed temporarily, a study finds Crossing critical temperature thresholds of the … Continued

The South American monsoon is approaching a tipping point

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Observations and simulations suggest  the South American monsoon might be approaching an abrupt transition due to the combined threat of deforestation, fires, and droughts in the Amazon rainforest Using observations and computer modeling Nils Bochow, University of Tromsø, Norway, and Niklas … Continued

PaleoJump: High-quality data for the study of climate tipping points

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Scientists launch an archive of paleoclimate data to facilitate analysis of abrupt transitions in the climate system Earth’s climate has undergone abrupt transitions in the past, which are often linked to the crossing of tipping points. Understanding how and why … Continued

Going for an immediate transition to a green economy pays off, even if such a transition is very unlikely to happen, a study finds

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A new method for estimating how much decisions under uncertainty matter suggests that, when the goals of decision-making are set, taking the best decisions (for those goals, under moderate uncertainty) still pays off when the probability of success becomes very … Continued

North Atlantic Ocean currents are closest to a tipping point in a thousand years

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A new reconstructed index of sea surface temperatures confirms previous research: The North Atlantic ocean currents appear to be approaching a point of no return, where their strength will inevitably weaken in the coming decades and centuries. Researchers confirm find that the Atlantic Meridional Overturning … Continued