Airplane emissions: The Intergovernmental Panel on Climate Change reports that CO2 emitted by jets can survive in the atmosphere for upwards of 100 years, and that its combination with other gas and particulate emissions could have double or four times the warming effect as CO2 emissions alone.

EarthTalk: Airplane Emissions and Climate Change

EarthTalk® is a weekly environmental column made available to our readers from the editors of E/The Environmental Magazine Dear EarthTalk: Why is it that airplane exhaust is so much worse for the environment than engine emissions on the ground? — Winona Sharpe, New York, NY While air travel today accounts for just three percent of worldwide greenhouse gas emissions, the…

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