A Boeing 747 burns one gallon of jet fuel per second; that works out to about 5 gallons per mile and around 36,000 gallons for a ten hour flight. With 21 pounds of carbon dioxide released per gallon of fuel burned, that’s 756,000 pounds of CO2 released by just one trip.
The aviation industry produces 2 percent of global human-induced carbon dioxide emissions. This share may seem relatively small – for perspective, electricity generation and home heating account for more than 40 percent – but aviation is one of the world’s fastest-growing greenhouse gas sources. Demand for air travel is projected to double in the next 20 years.
This article was originally published on The Conversation.
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