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Green Engineering

Flight shaming’s surprising power

By Adam Hadhazy

March 30, 2020

When the trend of air travelers feeling guilty about their carbon footprints first arose, it seemed to some in the U.S. that it could be a passing fad. Now it looks like flight shaming is not going away and could even begin impacting aircraft designs. Adam Hadhazy checks in with environmentalists and the aviation industry.

Supersonic’s not-so-super emissions

By Adam Hadhazy

October 1, 2019

Those who want to revive supersonic passenger flight will need to do more than build Mach 1 aircraft. They’ll need to convince a climate-change-rattled world that their comfort won’t make the greenhouse gas problem a whole lot worse. The industry has some creative ideas for addressing the problem.

Performance predictor

By Joe Stumpe

February 1, 2018

Researchers work on a computational tool to predict the performance of long, narrow wings

Green propellant

By Keith Button

March 6, 2017

Experiment could move industry away from longtime propellant
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