What is the carbon footprint of a 1 hour flight?

CO2 emissions from aviation fuel are 3.15 grams per gram of fuel [1], which gives CO2 emissions from a Boeing 737-400 of 115 g per passenger per km. At a cruising speed of 780 km per hour [Wikipedia, 28.2. 08], this is equivalent to 90 kg CO2 per passenger per hour.



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Taking a seven-day cruise is more than three times as carbon-intensive as flying and staying abroad.

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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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Taking the train or ferry works out to be around seven times less polluting than travelling by plane, according to various estimates. Travelling by train is slightly greener than taking the ferry, in terms of 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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Walk, bike or take the train for the lowest footprint Over short to medium distances, walking or cycling are nearly always the lowest carbon way to travel.

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Driving vs. Flying By the Numbers The overall fatality risk is 0.23% — you would need to fly every day for more than 10,000 years to be in a fatal plane crash. On the other hand, the chances of dying in a car collision are about 1 in 101, according to the National Highway Traffic Safety Administration (NHTSA).

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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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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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Aviation is responsible for between 2pc and 3pc of global carbon emissions. And Ms Thunberg continues to refuse to fly because of the impact on the environment.

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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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Low prices and an ever-expanding route network make it possible: 9 billion passengers are expected in the air by 2050. Thus, the passenger volume in aviation of the future will more than double compared to the current level.

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For those who want to reduce their emissions from flying, one tip is to take fewer trips that are longer in duration, as opposed to numerous short trips. The emissions from frequent flying can quickly add up.

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