Does travel contribute to global warming?

Air travel accounts for about 4 percent of human-induced global warming, and the United Nations warns that airplane emissions are set to triple by 2050. Planes are becoming more efficient, but our appetite for air travel is outpacing the industry's environmental gains.



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As you add more passengers, the amount of emissions your party produces increases on a flight. In contrast, the amount of greenhouse gas emissions, which trap heat and lead to global warming, produced decreases per person when driving.

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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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In fact, frequent business travelers tend to suffer from health problems ranging from obesity to insomnia. “Oddly enough, those who never travel and those who travel the most seem to be the sickest,” says Soumya Panchagnula, M.D., a family medicine specialist with Henry Ford Health.

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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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Travel can be a relaxing escape, but it can also be stressful and affect your mental health. Travel-related stress can spark mood changes, depression, and anxiety. Travel can worsen symptoms in people with existing mental illness.

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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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