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 ...

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 ...

Contrails – short for condensation trails – are linear clouds made up of ice crystals that form behind jet aircraft at high ...

Questions about cloud seeding, geoengineering and other weather-modification practices are drawing new attention as critics ...

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

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 ...

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 ...

It's no secret that the world is facing a climate crisis, and that businesses are looking at ways to limit their carbon footprint, in a bid to help lower greenhouse gas emissions amid the harsh ...

Cloud seeding does not create clouds or precipitation from clear skies. It can only be effective when clouds with the right ...

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.