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The Surprising Things That Helped Make 2023 the Hottest Year Ever
The numbers are in: 2023’s global temperatures not only soared, but smashed the previous record set in 2016. This year could be even hotter.
Berkeley Earth, a nonprofit climate research group, released its own 2023 report, showing that global average temperatures last year were 1.54 degrees C above pre-industrial levels. In general, the loss of aerosols is an unfortunate and unavoidable consequence of burning less fossil fuels going forward: With less sulfur going into the atmosphere, we’ll lose some of the cooling effect that’s kept global temperatures from soaring even higher. Volcanoes can substantially cool the climate by spewing plumes of aerosols into the atmosphere, like ship emissions do, but this one instead fired 146 trillion grams of water vapor into the sky, equivalent to 58,000 Olympic-size swimming pools.
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