The summer of 2023 was the warmest in the non-tropical areas of the northern hemisphere for 2,000 years,
a new study has shown.
Across this vast area of land, encompassing Europe, Asia and North America, surface air temperatures were more than 2°C higher in June, July and August 2023 than the average summer temperature between AD1 and 1890, as reconstructed from tree ring records.
While climate change is a global phenomenon, warming on a regional scale is often stronger. And it is regional…
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