A single round-trip flight from New York to London nearly exceeds the 2-ton annual CO₂ budget per person recommended to keep global warming under 1.5°C. That’s the entire year’s allowance in just one trip !
Trains are the most sustainable travel option. For trips under 3.5 hours, we strongly recommend taking the train—it’s cleaner, more comfortable, and often quicker door-to-door.
High-speed trains, especially in countries with clean electricity, emit up to 100 times less CO₂ per passenger-km than planes. They also eliminate airport emissions from operations, taxiing, and detours.
Upgrading to a premium cabin, like business class, increases your individual carbon footprint due to the lower passenger density in those sections.
Before booking a trip, ask yourself: Does everyone need to attend? Sending fewer people eliminates emissions entirely while saving time and resources.
L’Oréal is targeting a 50% cut in air travel emissions by 2030—requiring an additional 2% annual reduction to stay on track.
A flight with a layover is more polluting because each takeoff uses a lot of energy, increasing CO2 emissions.
Economy class generates 66% less (three times less) than first class. Plus, direct flights further reduce emissions from takeoff and landing.
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