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11mo ago

2023's Summer Was the Hottest in 2000 Years, Study Reveals

Researchers used tree ring data to determine that last summer's temperatures exceeded historical climate variations by nearly a whole degree Fahrenheit.

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Image
People use umbrellas and parasols to seek relief from the heat in Tokyo on July 30, 2023.
A tourist cooling down in a fountain amid a heatwave in Barcelona, Spain, on July 19, 2023.

Overview

  • Scientists from the University of Cambridge and Johannes Gutenberg University Mainz conducted the study.
  • Tree rings were analyzed to reconstruct temperature records spanning two millennia.
  • The summer of 2023 was found to be 2.07°C warmer than the average summer from 1850-1900.
  • El Niño conditions amplified the greenhouse gas-induced warming.
  • The study emphasizes the urgent need to reduce greenhouse gas emissions to prevent future extreme heat events.