Luxury supersonic planes, which may be staging a comeback, will likely burn five to seven times more fuel per passenger than typical airliners, according to a new report.
Efforts to build the high-speed planes are again underway, despite the Concorde's flop decades ago. These aircraft would intensify the climate effects of airline travel, already one of the world's fastest-growing sources of carbon pollution.
"Supersonic aircraft would be an exorbitant, environmentally catastrophic luxury for the world's glitterati," said the Center's Vera Pardee. Read more.
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