Greener air travel will depend on these emerging technologies

National GeographicGreener air travel will depend on these emerging technologies. Electric engines, alternative fuels, and better navigation could reduce emissions—and mitigate the impacts of a global return to the skies.

Here’s a word you may have overlooked in 2020: flygskam, a Swedish term for the feeling of being ashamed to fly. In a year that saw a 66 percent decrease in flights, compared to 2019, you might think that flygskam has flown the coop.

But with a recent uptick in air traffic—and the anticipation of travel’s rebound thanks to COVID-19 vaccines—flygskam is taking flight again. The term originated in 2017 as part of a campaign to change how we fly, from the frequency of our flights to the technology of our aircraft. The goal: to mitigate the carbon dioxide emissions that experts think may triple by 2050.

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