FIRST PERSON

Academic Travel Causes Global Warming

How many times have you asked yourself, 'Did I really need to fly to New York to hear that?'

By MARK PEDELTY

OK, the headline is a stretch. However, it is true that air travel puts large amounts of carbon dioxide, nitrogen oxides, sulfur oxides, soot, and even water vapor directly into the atmosphere, all of which makes an inordinate and unsustainable...

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