Add Yahoo as a preferred source to see more of our stories on Google. Airlines have tamped down on carbon emissions by flying planes at higher altitudes. But this comes at a cost: the higher-flying ...

SAF while a G700 measured its engine emissions and contrail production. Credit: Gulfstream Aerospace Gulfstream has conducted the first demonstration of reductions in contrail-forming emissions at ...

Add Yahoo as a preferred source to see more of our stories on Google. "A contrail could form and then just dissipate, but the contrails that persist can be very warming," Jill Blickstein, vice ...

Contrails - those lines of wispy white clouds that follow some jets - may not be so harmless. Airlines and scientists are coming to a consensus that the water vapor trails created by airplanes at high ...

When it comes to vehicles that have a serious impact on the environment, we all immediately think of gas-burning cars and trucks, but passenger aircraft can have a significant impact on the ...

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 ...

Despite conspiracy theories about so-called chemtrails, there’s no evidence that the white plumes seen trailing from high-flying airplanes are part of a secret government program to spray toxic ...