FEATURING KATHERINE ELLSWORTH-KREBS - A new study published in Environmental Research Letters has quantified the impact of air travel on the climate and concluded that it contributes “approximately 4% to observed human-induced global warming.” Although only a small percentage of people fly, wealthy people disproportionately take advantage of the luxury of air travel. There is now a growing consensus that governments must address the climate impacts of flight. Writing about a progressive carbon tax for air travel in YES! Magazine is Katherine Ellsworth-Krebs.
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