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What's Greener, Flying or Driving?
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What's Greener, Flying or Driving?
What's Greener, Flying or Driving?
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STEVE INSKEEP, host:

Next we're going to take a moment to answer one of the many questions you have sent us as part of our Climate Connection series with National Geographic. We've been hearing more installments of the series this week, exploring how we change the climate and how the climate changes us.

A lot of you asked about something lofty - air travel - specifically, how much do we contribute to greenhouse gas emissions by flying?

DEBORAH AMOS, host:

The experts say the answer is that aircraft are a small but significant source of the warming gases created by humans - about three percent of the world total. Still, a typical airline flying across the United States produces close to three tons of carbon dioxide per passenger. So is it better to drive?

INSKEEP: I'm so glad you asked, Deb, because I have an answer right here from researchers at greenguide.com. Their answer is no, it's not better to drive. You'll roughly double your emissions if you take the car. Ride a train, however, and you can cut your carbon footprint in half.

AMOS: If you have a question about climate change, you can ask it at npr.org/climate.

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