Using currently available weather data to change flight routes. You can predict where they are likely to form and tell planes to avoid those airspaces.

If you watch the video I posted you’ll hear a scientist who’s studied this problem and shown it to be quite viable, for only a few dollars more per ticket. It’s incredibly low hanging fruit that should’ve been implemented yesterday.

You can also check this website to read more about it https://contrails.org/

Chemtrails aren’t real, but contrails are absolutely a thing, which the airline industry should be regulated to limit. They are a huge source of the global warning that airplanes cause: https://youtu.be/QoOVqQ5sa08