Here’s what we know about the climate cost of white trails aircraft leave in the sky
- Written by Nicolas Bellouin, Professor of Climate Processes, University of Reading
Ciprian23/ShutterstockContrails, 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.
Contrails contribute to climate change, adding to the warming by the carbon dioxide...







