We are looking at the potential freezing of the northern latitudes while the tropics warm even more, and the average change is just a degree or so. This is the hard part about averages: you can have massive changes at the extremes, and the middle only nudges a bit.

We’re already seeing some of the excessively high temperatures. The Mediterranean is baking, with temperatures in the 100s Fahrenheit and 50s Celsius becoming a new norm for the first time, and wildfires are sweeping through the region. New satellite images from Copernicus Sentinal-3 simply show a world of red where a variety of colors should map temperatures of all kinds across this mountainous region.

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ESA press release