Add Yahoo as a preferred source to see more of our stories on Google. Contrails — the white line-shaped clouds left behind by planes — pose a particular problem as they are able to trap heat. Julian ...

Efforts to understand and mitigate aviation’s non-CO 2 emission effects have focused on contrails, one of the most visible signs of aviation’s impact on the Earth’s atmosphere. Contrails form through ...

Contrails are clouds made of ice particles, which can be created when airplanes fly through cold, humid air. Persistent contrails are estimated to have a warming climate impact. Flight tests will ...

A mysterious unidentified "burning object" spotted in the skies over central Estonia may simply be aircraft contrails in a ...

While there is a growing consensus that aircraft contrails contribute to aviation-attributable atmospheric warning, there is less agreement about how and when to implement avoidance strategies. But ...

Suggested Citation: "1 Overview." National Academies of Sciences, Engineering, and Medicine. 2025. Developing a Research Agenda on Contrails and Their Climate Impacts. Washington, DC: The National ...

The challenge of addressing aviation’s non-carbon dioxide emissions is receiving greater attention, with the climatic impact associated with tell-tale signs in the sky coming under increased study.