"I think [the paper] is going to be a benchmark for future studies," said Christopher Jones, a carbon footprint researcher and director of the CoolClimate Network at UC Berkeley, who was not involved in the work. "They have really interesting analysis on where people are flying ... It's a really interesting paper - thought-provoking."
"We've been lucky to do this study now," said Stefan Gössling, the lead author and a professor of tourism research at Linnaeus University in Sweden. The current availability of comprehensive data motivated Gössling and his colleagues to undertake the first-of-its-kind assessment of global private jet travel.
However, since private jets make up only a fraction of a percent of total greenhouse gas emissions, Jones says the issue is ultimately more of a moral concern about wealth inequity than a pressing front on the race to a carbon-neutral world.
The researchers also found that 291 of the flights were to the 2023 COP28 climate conference, releasing a collective 3,800 tons of carbon dioxide.
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