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

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

Airlines have tamped down on carbon emissions by flying planes at higher altitudes. But this comes at a cost: the higher-flying aircraft are creating more contrails that last longer, worsening the ...

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

Airlines have tamped down on carbon emissions by flying planes at higher altitudes. But this comes at a cost: the higher-flying aircraft are creating more contrails that last longer, worsening the ...

Artificial intelligence could be used to prevent planes from creating planet-warming condensation trails, or contrails, according to a new study. Exactly how much impact contrails have on global ...

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 ...

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 ...

Contrails are human-made clouds. They are streams of condensation left behind from airplanes and rockets. Exhaust leaves water vapor that freezes into tiny crystals in the cold troposphere.

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Airlines, including Fort Worth-based American and Dallas-based Southwest, are trying to figure out which contrails are most harmful to the environment and what, if anything, can be done about it while ...

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