Which form of transport has the smallest carbon footprint?

Walk, bike or take the train for the lowest footprint Using a bike instead of a car for short trips would reduce your travel emissions by around 75%. If you can't walk or cycle, then public transport is usually your best option. Trains are particularly low-carbon ways to travel.



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Trains. Besides walking and biking, traveling by train remains one of the greenest and most environment-friendly options when getting around. Regardless if electric or diesel-powered, trains emit between 66 and 75 percent fewer carbon emissions when compared to cars and airplanes.

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The cleanest modes of transportation are walking and biking. Walking to and from the store will not only get you closer to your daily step goal, it will not contribute to air pollution. If you biked one kilometer to the store, your bike's emissions score would be 8.

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Finally, the plane is the most polluting means of transport and the one that generates the most greenhouse emissions.

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The cleanest modes of transportation are walking and biking. Walking to and from the store will not only get you closer to your daily step goal, it will not contribute to air pollution. If you biked one kilometer to the store, your bike's emissions score would be 8.

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These numbers illustrate the undeniable truth: Rail is a cleaner transportation alternative to flights and has the lowest emissions per passenger mile ratio than any other means of transport, especially on short routes like those covered by the northeast regional.

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A standard lightweight, moderate-speed bicycle is one of the most energy-efficient forms of transport. Compared with walking, a 64 kg (140 lb) cyclist riding at 16 km/h (10 mph) requires about half the food energy per unit distance: 27 kcal/km, 3.1 kW·h (11 MJ) per 100 km, or 43 kcal/mi.

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If we take an overall view of the transport sector, 71% of transportation related carbon emissions come from road users, whereas only 1.8% of emissions stem from rail travel. So in absolute terms, trains are responsible for a lot less emissions than cars.

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Cruise ships were responsible for more than four times the sulphuric emissions into Europe's atmosphere than all of the continent's car last year, according to a new report. This comes despite repeated pledges by the industry to move towards a greener model of operating.

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