Domino effect could heat up Earth by 5 degrees Celsius — despite Paris climate deal

The Extinction Chronicles

https://www.dw.com/en/domino-effect-could-heat-up-earth-by-5-degrees-celsius-despite-paris-climate-deal/a-44968248

Even if the Paris agreement is successfully implemented, the planet could still heat up by 5 degrees Celsius, scientists warn. This “hothouse” climate would make parts of the world uninhabitable.

    
Man walking with dog on cracked, dried earth of Alcora Lake in Spain (picture-alliance/AP Photo/F. Bustamante)

A joint study by international climate scientists from Germany, Sweden, Denmark and Australia presents a bleak prognosis: Even if the goals of the Paris climate agreement are achieved and global warming is limited to maxiumum 2 degrees Celsius (3.6 degrees Fahrenheit) compared to pre-industrial levels, the climate system could still pass a devastating tipping point.

“Human emissions of greenhouse gas are not the sole determinant of temperature on Earth,” said Will Steffen, lead author of the study and climate researcher at the Australian National University and the Swedish research institute Stockholm Resilience Centre.

“Our study suggests that human-induced global warming of 2 degrees Celsius may trigger other Earth system processes, often called ‘feedbacks,’ that can drive further warming — even…

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