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Sustainability in Travel 2021: Environmental Performance of the Six Largest Airlines

Sustainability in Travel 2021: Environmental Performance of the Six Largest Airlines

April 2021

Pressure is growing on airlines to reduce their carbon emissions. But how to do that when you burn through gallons of jet fuel? Our analysis found that airlines have made good progress in becoming more fuel efficient, but have a long way to go to make significant reductions in emissions long-term.