The Arctic warmed three times faster than the planet as a whole between 1971 and 2019, a higher rate than previously thought, a scientific report warned Thursday. Each fraction of a degree makes a big difference: the chances of the ice disappearing entirely in summer- before freezing again in winter- are 10 times greater if Earth's temperature rises by 2 degrees Celsius than if it rises by 1.5°C. http://dlvr.it/S02zb8
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