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Sustainable Design Expo
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In: WAMU 88.5 - American University Radio 
By: Sidsel Overgaard
April 25, 2007
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April 25, 2007 - If you visit the National Mall today and peak under the towering white tent between Third and Fourth streets, you might see the future. Heres a hint: it features algae soap bubbles and desert pack-animals. Those are a few of the ingredients featured in the 41 projects created by college students for this year's National Sustainable Design Expo, sponsored by the Environmental Protection Agency.