While the plane is the most polluting mode of transport, it is far too often the cheapest. The NGO Greenpeace publishes a comparison of the prices of train and plane tickets in Europe, when many Europeans go on vacation. We understand that it is difficult to convince travelers to opt for an eco-friendly mode of transport.
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France: the train costs on average 2.6 times more expensive than the plane, according to the NGO Greenpeace
