Do planes pollute more than trains?

If you take the train, then you'll cut carbon dioxide (CO2) by half compared to the plane. A key reason is that the train (or the diesel bus) may be a big carbon emitter, but it's designed to carry a lot of passengers, so the per capita emissions are a lot lower.



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However, as an energy researcher, my decision was motivated by the fact that trains, whether for cargo or passengers, pollute much less than airplanes, sometimes by as much as 73%, and they are more easily electrified than planes.

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The Impact of Flying on the Environment Air travel only makes up around 2.5% of global carbon emissions. In the U.S., flying accounts for an estimated 9% of transportation emissions but just 3% of total carbon emissions.

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Just exactly how bad is flying really? Air travel accounts for 2.5% of global carbon emissions. In the US, flying accounted for 8% of transportation emissions, but less than 3% of total carbon emissions.

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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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Trains offer greater flexibility at each stage of the journey, making family train travel easier and less stressful than flying. Children can move around more freely than on a plane, and you'll have the space to pack home comforts.

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In fact, unless you're looking to venture from Los Altos to LA off-road through state parks the whole way—in a Hummer with Tonka-truck mud tires—driving is generally greener than flying.

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Thunberg refuses to fly because of the carbon emissions of the airline industry and the trip was announced as carbon neutral. As a racing sailboat, the Malizia II has no toilet, fixed shower, cooking facilities or proper beds.

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As Figure 1 demonstrates, we estimate that planes are currently the most fuel-intensive transport option at about 43 passenger miles per gallon jet fuel, or a little over 40 passenger miles per gallon gasoline equivalent (MPGge).

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Greenhouse gas (GHG) emissions are directly related to fuel consumption. According to EPA data, freight railroads account for just 0.5% of total U.S. GHG emissions and just 1.7% of transportation-related GHG emissions. Moving freight by rail instead of truck lowers GHG emissions by up to 75%, on average.

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One of the biggest environmental benefits of trains is that they consume far less energy than other types of transport. It takes a huge amount of fuel to get a plane carrying hundreds of people airborne, whereas trains are streamlined, require much less energy to move, and are increasingly able to run on electricity.

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Ships are more environmentally friendly than planes, as greenhouse gasses emitted when using planes are much higher. Since planes emit these greenhouse gasses in the stratosphere, they considerably affect atmospheric chemistry. So, these plane emissions have a worse environmental impact than that of ships.

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Planes Remain A Problematic Means Of Transport Air traffic represents less than 2-3% of the global CO2 emissions whereas road traffic accounts for around 10% of these direct emissions. Still, planes remain among the most polluting means of transport, together with cars.

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Train travel is the most ecologically friendly option, aside from walking or bicycling. They emit 66-75% less carbon emissions than other forms of transportation, even if they're electric.

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Airplanes become more fuel efficient with every generation, and there are plenty of ways old planes can be spruced up. Winglets can be added on to the end of wing's, reducing drag and reducing fuel consumption by 6 percent.

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Trains are a fast, comfortable alternative to cheap flights in Europe, especially when you're visiting multiple destinations. A Eurail Pass gives you unlimited, borderless travel across Europe with just one ticket, so you can go a lot further with your money – and you'll be doing your bit for the planet, too.

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In 2014, there were 990 plane-related deaths, but only 21 fatal airliner accidents. That's an average of 47 deaths per flight. So if you think of accidents in terms of how deadly they are of average, then flying would be significantly more deadly than riding a train.

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Journey times are longer, meaning train companies have to pay their drivers, crew, and other staff for more hours. Plus budget airlines have done a lot to slash ticket prices in the last 30 years.

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