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Here's what we know about the climate cost of white trails aircraft leave in the sky
- April 27, 2026 at 5:20 PM
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Contrails, short for condensation trails, are the white streaks often seen in the sky behind aircraft. The International Cloud Atlas, which classifies clouds, has a category just for them: cirrus homogenitus, an example of man-made clouds.
Originally published at Phys.org