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Weatherwatch: The downs and ups of plane contrails

1 month ago   |   By The Guardian

Changing altitude to avoid humid air can help reduce airlines' contribution to climate crisis
Anyone living in Britain will be familiar with the white contrails that aircraft produce as transatlantic flights cross the country. Some days they disappear in seconds, but on others, when the air is already full of moisture, they join together to form cirrus clouds which can linger for up to 18 hours. They make the sun hazy and prevent heat escaping back into space from the atmosphere, adding to climate warming. Scientists from Imperial College London calculate that these contrails add as much...
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