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This is Scientific American 60-Second Science. I'm Christopher Intagliata. Got a minute?

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Commercial jets pump out some 700 million tons of CO2 a year, about two percent of global emissions.

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That jet exhaust helps warm the planet, especially in the Arctic.

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Which is especially unfortunate for future fliers.

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Because climate change may stir up more turbulence over the North Atlantic, causing bumpier flights there.

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That's according to a study in the journal Nature Climate Change.

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Researchers used climate simulations to fast-forward to the year 2050.

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They fed that future climate data to 21 turbulence-predicting algorithms,

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focusing on a type called "clear air turbulence," which literally comes out of the blue,

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pilots can't spot it, and neither can satellites or radar.

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The models forecast that by mid-century, clear-air turbulence will be more violent,

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and transatlantic flights will hit it twice as often, especially during the winter.

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Beyond spilling drinks, severe clear-air turbulence can injure or kill passengers, and damage planes, too,

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it once ripped an engine off a DC-8.

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The researchers say airlines may have to fly more detours in the future to avoid it, a waste of time and fuel that ups emissions.

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Which could mean higher ticket prices, and even less friendly skies.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Christopher Intagliata.

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