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Joe Shlabotnik

(5,604 posts)
1. Thats a cool visualization
Wed Apr 2, 2014, 04:39 PM
Apr 2014

I often wonder how much fuel is used, and how much pollution is created by today's level of air travel. I wonder how much of it is necessary, although designating whats 'necessary' would be pretty subjective.

Latest Discussions»Issue Forums»Environment & Energy»This is fascinating (and ...»Reply #1