Michael Schwartz, an Eco-Solutionist for Waste Management, Inc.'s Green Squad unit, won a recyclable aluminum iMac when he correctly guessed the number of crushed aluminum cans in a giant recycling bale placed inside the Alcoa exhibit at the Greenbuild Conference and Expo held recently in Boston. Schwartz was one of hundreds of visitors who stopped at the Alcoa booth to discuss aluminum as a green building material. (Photo: Business Wire)
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