Contrary to what some people seem to believe, contrails are not a way for the evil governments of the world use to poison us. They can, however, be harmful to the environment, with some studies ...

How real a threat to potential climate change are contrails—the trail of ice crystals formed by jet engine exhaust at high altitudes? Only hard data will help answer the question, yet contrails and ...

Flight tests to demonstrate the effectiveness of using sustainable aviation fuel (SAF) to help prevent contrail formation on certain routes will kick off in early 2026 through a new UK-backed project ...

Small changes to aircraft flight paths to avoid the atmospheric conditions that create condensation trails—known as contrails—could reduce aviation's global warming impact by nearly half, a new study ...

Contrails form when soot and water vapor emissions from jets mix with humid, cold air. Photo Credit: TinaSova20/Shutterstock Delta has teamed up with the Massachusetts Institute of Technology to study ...

A long airplane contrail cuts through cirrus clouds. Contrails contribute to global warming by trapping heat in the atmosphere. Photo Credit: TinaSova20/Shutterstock.com Altering flight plans to avoid ...

If you look up in the sky during a sunny day, you might see long, skinny looking clouds coming from behind planes. Those are contrails, short for ‘condensation trails.’ Airplane engines produce them ...

GE Aerospace is partnering with NASA to carry out a series of flight tests designed to improve the industry’s understanding of contrails. To be performed over the week commencing 18 November, the ...

ALBANY, N.Y. (April 14, 2026) — Fangqun Yu, a senior research faculty member at the University at Albany’s Atmospheric Sciences Research Center, has been studying the microphysics of contrail ...