Grist: Welcome to the new normal, and our new world.
As you can see from the map above, much of this incredible heat spike is located in the extreme northern latitudes. That is not good; its this region thats most fragile to heating. Temperatures soaring to 7 degrees C or more above normal means more ice melting, a longer melting season, loss of thinner ice, loss of longer-term ice, and most alarmingly the dumping of billions of tons of fresh water into the saltier ocean which can and will disrupt...