Air travel
Major airlines are teaming up to tackle planet-warming plane contrails
American, Southwest and United are joining with Airbus, Boeing, RMI and researchers in an effort to mitigate heat-trapping condensation trails.
By Maria Gallucci .
Clean energy
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Air travel
By Maria Gallucci .
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By Stephen Lacey . 24 min .
Fossil fuels
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Air travel
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Marine transport
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Emissions reduction
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Emissions reduction
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Emissions reduction
By Jeff St. John .
Emissions reduction
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