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Continue to ChatTrains before planes? Reining in airlines' environmental footprint https://meta.eeb.org/2019/04/18/trains-before-planes-reining-in-airlines-environmental-footprint/
Trains before planes? Reining in airlines' environmental footprint https://meta.eeb.org/2019/04/18/trains-before-planes-reining-in-airlines-environmental-footprint/