Greenbuild expo sheds light on sustainable innovations

11/19/2010 | ·

The Greenbuild 2010 expo is under way in Chicago, and the eco-construction industry is abuzz over the new inventions and sustainable development projects on display. A huge mock-up of the newly energy-efficient Empire State Building towered over the convention center while attendees announced technologies, including temperature-controlling window films, super-bright LED bulbs and high-tech dimmer switches.

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