SINGAPORE – The white streaks left by planes as they zip through the skies make a pretty sight, but they can harm the planet at times. These vapour clouds formed from planes’ engine exhaust are known ...

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 ...

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.

According to an analysis, 25 percent of the global warming caused by contrails in European air traffic is attributable to ...

Reducing aviation’s contribution to climate change requires understanding all our industry’s impacts and identifying ways to address them. Condensation trails — or contrails — form when airplanes fly ...

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 ...

The white lines left in the sky by aeroplanes, or contrails, contribute to global warming; however, it is possible to avoid them, and Portugal can help.

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 ...

Matteo Mirolo, head of contrail policy and strategy at Breakthrough Energy, said “business aviation not only can but must supercharge” its climate-impact work. Credit: Mark Wagner/Aviation-Images ...

OSLO (Reuters) - Aircraft condensation trails criss-crossing the sky may be warming the planet on a normal day more than the carbon dioxide emitted by all planes since the Wright Brothers' first ...

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.