//In a stable climate, without annual re-orderings at the top of the hottest-years list, the world should set hot and cold records about evenly. But as greenhouse gas pollution continues to rise, hot extremes are intensifying and becoming more frequent. Cold spells are becoming weaker and more rare, a major UN-backed assessment concluded in August. Of 458 new regional temperature records counted in one analysis, just 54 were cold extremes. …
Seemingly minor, gradual increases in global average temperatures are already bringing about disruptive weather swings. Fischer said he hopes future research will give regions a preview of what’s possible.
“It’s much harder to convince people who then have to spend a lot of money on getting prepared that this is actually real and that it’s plausible,” he said. //