Contrails are a climate puzzle written across the sky | As airlines test new routes and researchers refine models, contrails are shifting from an afterthought of flight to a potential tool for cutting the carbon footprint of aviation.

Contrails are a climate puzzle written across the sky | As airlines test new routes and researchers refine models, contrails are shifting from an afterthought of flight to a potential tool for cutting the carbon footprint of aviation.

Contrails are a climate puzzle written across the sky

Posted by silence7