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 ...

The characteristics of a contrail depend initially on the size, shape and engine position of the aircraft that created it ...

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 ...

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 ...

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 ...

ALBANY, N.Y. (Dec. 4, 2025) — If you look up at the sky on a clear day, chances are you’ll notice thin, white clouds following behind airplanes— also known as contrails. The formation of these wispy ...

American Airlines and Google announced on Thursday a significant reduction in the climate impact of certain flights through the use of an AI-driven forecasting tool designed to prevent contrails.

Analysis of in-flight emissions from an Airbus A350-900 using 100% sustainable aviation fuel indicates a reduction of 35% in soot particle numbers, and a halving of contrail ice-crystal formation per ...

American Airlines and Google say an AI-powered flight planning system reduced heat-trapping contrails during a large-scale trial on transatlantic routes, with a reported 62% reduction on flights that ...

TOULOUSE—Airbus is leading a new European research project, including aircraft ground testing, to study how the composition of a sustainable aviation fuel (SAF) influences the formation of contrails.

Google said on Thursday that its artificial intelligence (AI) forecasts helped prevent contrails, the white lines that often follow planes in the sky. The tech giant said in a blog post that it had ...