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"Green homes have been trendy for some time, but now commercial buildings are getting in on the eco-building act. From living walls to mushroom bricks, check out 10 of the raddest advances in the field."^^<http://www.w3.org/2001/XMLSchema#string>
<http://home.howstuffworks.com/home-improvement/construction/green/10-green-advances-commercial-building4.htm>