2022 was fifth or sixth warmest on record as Earth heats up

DENVER (AP) — Earth's fever persisted last year, not quite spiking to a record high but still in the top five or six warmest on record, US government agencies reported Thursday.

But expect record-shattering hot years soon, likely in the next couple years because of “relentless” climate change from the burning of coal, oil and gas, US government scientists said.

Despite a La Nina, a cooling of the equatorial Pacific that slightly reduces global average temperatures, the US National Oceanic and Atmospheric Administration calculates 2022's global average temperature was 58.55 degrees (14.76 degrees Celsius), ranking sixth hottest on record. NOAA doesn't include the polar regions because of data concerns, but soon will.

If the Arctic -- which is warming three to four times faster than the rest of the world -- and Antarctic are factored in, NOAA said it would be fifth warmest. NASA, which has long factored the Arctic in its global calculations, said 2022 is essentially tied for fifth warmest with 2015. Four other scientific agencies or science groups around the world put the year as either fifth or sixth hottest.

NOAA and NASA records go back to 1880.

NASA Administrator Bill Nelson said global temperature is “pretty alarming ... What we're seeing is our warming climate, it's warning all of us. Forest fires are intensifying. Hurricanes are getting stronger. Droughts are wreaking havoc. Sea levels are rising. Extreme weather patterns threaten our well-being across this planet.”

Last year was slightly toastier than 2021, but overall the science teams say the big issue is that the last eight years, from 2015 on, have been a step above the higher temperatures the globe had been going through. All eight years are more than 1.8 degrees (1 degree Celsius) warmer than pre-industrial times, NOAA and NASA said. Last year was 2 degrees (1.1 degrees Celsius) warmer than the mid-19th century, NASA said.

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