This is the question I tried to answer in my latest contribution to National Geographic Magazine about the latest development in the aviation industry. "Aviation can go green, but not soon and no comprehensively as ground-bound transport. Gravity is a very stubborn thing," wrote Sam Howe Verhovek. If you want to discover more, visit National Geographic Online or get the Magazine's current issue.
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Earlier Event: June 25
Italiae at Forte Belvedere in Florence
Later Event: September 29
Sinomocene - New Aiddata Report