Contrails (or condensation trails) are the lines left in the sky when warm, moist exhaust fumes from an aircraft mix with the cold air to produce ice crystal clouds. They can dissipate quickly if ...

In the skies over Virginia it is common to see contrails, cloud-like strips of condensed water left behind by aircraft at ...

Contrails - the white lines in the sky created by planes - can double the amount of warming caused by aviation's carbon emissions ...

The climate-damaging vapour trails from jet planes could be eliminated for ... researchers say could go up as technology advances. Plane contrails lit by the sun below the horizon before sunrise ...

The climate-damaging vapour trails from jet planes ... Azerbaijan. Contrails are made up of ice crystals, which form when water vapour condenses on unburned fuel fragments in a plane’s exhaust ...

The climate-damaging vapour trails from jet planes ... Azerbaijan. Contrails are made up of ice crystals, which form when water vapour condenses on unburned fuel fragments in a plane’s exhaust ...

Jet condensation trails ... Tweaking the flight paths of a handful of aircraft could reduce contrail warming by more than half by 2040, at a cost of less than £4 per flight.