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A woman sat in the Trocadero Fountain near the Eiffel Tower in Paris as temperatures in the city reached a record 113 degrees Fahrenheit (45 Celcius) on June 28.
Credit: ZAKARIA ABDELKAFI/AFP/Getty Images
▼ The global climate is changing faster now than it has at any point in the past 2,000 years.
That's the conclusion of a trio of paperspublished July 24 in the journals Nature and Nature Geoscience that examined the global climate over the past two millennia. The researchers showed that none of the past fluctuations — that is, not the Little Ice Age, the warm period known as the Medieval Climate Anomaly or any other famous shift — had the global reach that modern climate change is having. Past fluctuations tended to be localized, affecting primarily one region at a time. Modern climate change, by contrast, is messing with the entire world.
"Temperatures did not rise and fall everywhere in step [in the past]," editors wrote in an accompanying opinion piece in Nature Geoscience. "Specifically, early cool or warm intervals that lasted for centuries peaked at different times in different regions."
That's a radical departure from modern climate change, Scott St. George, a climate researcher at the University of Minnesota who wasn't involved in the research, wrote in a news and views articlefor Nature. (▪ ▪ ▪)
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