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/ / / Global warming: New supersonic airplanes would be terrible for environment, study warns

Global warming: New supersonic airplanes would be terrible for environment, study warns

At least three companies want to bring supersonic airplanes back to the skies, but environmental groups say that could mean more greenhouse gasses.

     
 
 


from USATODAY - News Top Stories http://bit.ly/2MGx3Y2
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