Arctic weather enfolded swathes of Russia on Tuesday, with temperatures in the wilds of Siberia falling to minus 58 degrees Celsius (minus 72 degrees Fahrenheit).
Neither. This is one of the “global warming is messing up the Global Ocean Current Belt, which messes up heat transfer on a global scale, weakening and destabilizing the Polar Vortex, which starts failing to keep arctic air restricted to Canada and instead lets it do its thing down to Texas”.
Higher than normal variability of temperatures, is a side effect of global warming. It may look like “meh, it’s just +2C, who cares”, but when you switch from “-10C to +30C” to some “-18C to +42C”, in the form of heat waves followed by torrential rain followed by heat followed by frostbite, suddenly crops start dying.
Then you can extrapolate to “meh, it’s not likely to go past +5C”.
Neither. This is one of the “global warming is messing up the Global Ocean Current Belt, which messes up heat transfer on a global scale, weakening and destabilizing the Polar Vortex, which starts failing to keep arctic air restricted to Canada and instead lets it do its thing down to Texas”.
Higher than normal variability of temperatures, is a side effect of global warming. It may look like “meh, it’s just +2C, who cares”, but when you switch from “-10C to +30C” to some “-18C to +42C”, in the form of heat waves followed by torrential rain followed by heat followed by frostbite, suddenly crops start dying.
Then you can extrapolate to “meh, it’s not likely to go past +5C”.