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Summer 2023 Was North’s Hottest in 2,000 Years – France24

Researchers say man-made influences have pushed northern summer highs well beyond anything seen in two millennia


A woman walks with cold patches on her forehead and neck amid a red alert for heatwave in Beijing, China June 23, 2023. REUTERS/Tingshu Wang
A woman walks with cold patches on her forehead and neck amid a red alert for a heatwave in Beijing, China, on June 23, 2023. Photo: Reuters

 

Scientists say last year saw the hottest northern hemisphere summer in 2,000 years, France24 reported, as humanity’s release of greenhouse gases continued to keep trapping heat in the atmosphere.

Researchers say 2023 was the hottest year globally since records began in 1850, as the study in the journal Nature also revealed that man-made influences have pushed northern summer highs well beyond anything seen in two millennia, the AFP-sourced story went on.

The report authors used tree-ring data from sites across the northern hemisphere to estimate global temperatures between the first century AD and 1850, before the advent of modern observational instruments. Their conservative estimate was that 2023 was at least 0.5 degrees Celsius hotter than the warmest northern hemisphere summer of that period in AD246.

Read the full story: France24

 

  • By Sean O’Meara

 

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Sean O'Meara

Sean O'Meara is an Editor at Asia Financial. He has been a newspaper man for more than 30 years, working at local, regional and national titles in the UK as a writer, sub-editor, page designer and print editor. A football, cricket and rugby fan, he has a particular interest in sports finance.