Contrails: How tweaking flight plans can help the climate
Why experts say cutting contrails costs less than $1bn a year but may be worth so much more. …
Prof Marc Stettler, transport and environment lecturer at Imperial College London, says changing the altitude of fewer than 2% of flights could potentially reduce contrail-linked climate change by a staggering 59%. “Tweaking the flight elevation by just a thousand feet can stop some contrails from forming,” he explains.
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