How to shrink greenhouse gas emissions from your next flight

Arrival board in Hong Kong International Airport, China, on September 4, 2020.  | Photo by Marc Fernandes/NurPhoto via Getty ImagesOne way jet-setters can cut down on climate pollution from aviation is to choose more fuel-efficient itineraries — if they can figure out which flights pollute least. A passenger on a more fuel-efficient itinerary might generate 63 percent less carbon dioxide…
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