People underestimate the impact of the plane
"When you go on the train, you reduce greenhouse gas emissions by at least a tenth." For Sébastien Humbert, an expert in ecological assessment at Quantis, a structure based at EPFL, it is important to be careful with overlaps, trains and buses, travelling the same route. Vincent Kaufmann, Professor of Urban Sociology and Mobility Analysis at EPFL, believes that the airplane is now part of a way of life and that it will be painful to question it.
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