What’s Greener, Flying or Driving?
Many listeners ask about the effects of air travel on the environment. The questions come as part of our Climate Connections series with National Geographic.Listeners want to know how much greenhouse gas is poured into the atmosphere by commercial flights.
Experts say that aircraft are a small but significant source of the warming gases created by [...]
Many listeners ask about the effects of air travel on the environment. The questions come as part of our Climate Connections series with National Geographic.Listeners want to know how much greenhouse gas is poured into the atmosphere by commercial flights.
Experts say that aircraft are a small but significant source of the warming gases created by humans, accounting for about 3 percent of the world’s total emissions. A typical airliner flying across the United States produces close to three tons of carbon dioxide per passenger.



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