Which form of transport has the smallest carbon footprint?

Our World in Data

• Walk, cycle or run when possible – this comes with many other benefits such as lower local air pollution and better health;
• Trains are nearly always the winning option over moderate-to-long distances;
• If travelling internationally, going by train or boat is lower-carbon than flying;
• If travelling domestically, driving – even if it’s alone – is usually better than flying;
• If it’s a choice between driving or flying internationally, flying economy class is often better;
• Car-sharing will massively reduce your footprint – it also helps to reduce local air pollution and congestion;
• Electric vehicles are nearly always lower-carbon than petrol or diesel cars, especially in a country that produces much of its electricity by renewables or nuclear.

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