France became the first country in the world to impose a ban on short-haul domestic flights.
According to the UN Climate Change, if the non-CO2 emissions, like water vapour, are also accounted for, the airline industry would be responsible for causing almost 5% of historical global warming.
Transport and Environment, a European transport campaign group, estimated that private jets were 5 to 14 times more polluting, per passenger, than commercial planes, and 50 times more polluting than trains.