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Climate tipping points could topple like dominoes, warn scientists


Thu 3 Jun 2021 12.34 EDT
Ice sheets and ocean currents at risk of climate tipping points can destabilise each other as the world heats up, leading to a domino effect with severe consequences for humanity, according to a risk analysis.
Tipping points occur when global heating pushes temperatures beyond a critical threshold, leading to accelerated and irreversible impacts. Some large ice sheets in Antarctica are thought to already have passed their tipping points, meaning large sea-level rises in coming centuries.
The new research examined the interactions between ice sheets in West Antarctica, Greenland, the warm Atlantic Gulf Stream and the Amazon rainforest. The scientists carried out 3m computer simulations and found domino effects in a third of them, even when temperature rises were below 2C, the upper limit of the Paris agreement. ....

France General , United Kingdom , Anders Levermann , Ricarda Winkelmann , Tim Lenton , Jonathan Donges , Potsdam Institute For Climate Impact Research , University Of Exeter , West Antarctica , Atlantic Gulf Stream , Prof Ricarda Winkelmann , Potsdam Institute , Climate Impact Research , Prof Tim Lenton , Atlantic Meridional Overturning Circulation , Gulf Stream , Earth System Dynamics , Prof Anders Levermann , பிரான்ஸ் ஜநரல் , ஒன்றுபட்டது கிஂக்டம் , நேரம் லெண்டன் , ஜொனாதன் நன்கொடை , பாட்ஸ்‌ட்யாம் நிறுவனம் க்கு காலநிலை தாக்கம் ஆராய்ச்சி , பல்கலைக்கழகம் ஆஃப் எக்ஸெடர் , மேற்கு அண்டார்டிகா , அட்லாண்டிக் வளைகுடா ஸ்ட்ரீம் ,

Social tipping points: slouching toward climate salvation


Social tipping points: slouching toward climate salvation
Issued on:
02/03/2021 - 15:36
7 min
Paris (AFP)
The world appears to have finally woken up to the existential threat of global warming, and the drive to fix the problem is accelerating across the board.
The planet s biggest carbon polluters –- China, US, EU -– vow carbon neutrality by mid-century; solar and wind power continued to surge even as global GDP shrank five percent last year; two-thirds of humanity see a climate emergency ; a top-five automaker says it will only make zero-emissions vehicles after 2035; major investors recoil from coal, while fossil fuels companies shrivel in value. ....

University Of San Francisco , United States , France General , United Kingdom , Antonio Guterres , Ilona Otto , Gernot Wagner , Stephen Fisher , Jonathan Donges , Elon Musk , James Williams , Greta Thunberg , Pan Jiahua , Tim Lenton , Atlantic Council , International Energy Agency , Potsdam Institute For Climate Impact Research , York University , University Of Exeter , University Of Graz Wegener Center , Paris Agreement , New York , Silicon Valley , Wall Street , Wegener Center , Global Change ,