The World Was Cooler in 2021 Than 2020. That’s Not Good News

Today NASA and NOAA dropped their annual analysis of global temperatures: Last year was tied with 2018 as the sixth-hottest ever, but cooler than 2020. A good sign, right? Yeah, no. Not in the least.

“It’s easy to want to focus on that year-to-year variability,” says Bridget Seegers, an oceanographer at NASA. “But it’s important to look at the trend: The last eight years were the eight hottest on record.”

To calculate global temperatures, the two agencies pull data from weather stations all over the world, plus measurements taken from ships and buoys in the

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