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Greener aviation fuels create fewer contrails. Here’s what that means for global warming – ABC News

Alternative jet fuels that create less soot could reduce the contribution of contrails to global warming, according to new research….

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If you look up at the sky on a clear sunny day, chances are you’ll see fluffy white trails left behind by airplanes.
Key points:

  • Contrails are largely made of water vapour that comes out of aircraft engine exhaust
  • When it’s really cold this can form clouds…

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