Airtime: Mon. May 3 2010 | 9:40 PM ET
“Going Green” was a major theme at Shanghai 2010 Expo. Cheng Lei explores how green technology played an integral role at the event.
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Airtime: Mon. May 3 2010 | 9:40 PM ET
“Going Green” was a major theme at Shanghai 2010 Expo. Cheng Lei explores how green technology played an integral role at the event.