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Photos: Academy of Sciences' living roof

April 10, 2007 10:25 AM PDT

About 50,000 biodegradable coconut husk trays filled with 6 inches of soil will be used to tile the roof and provide covering for growth. The soil and plants on the living roof will weigh more than 2.6 million pounds and will cover an area of 197,000 square feet.

Photo by James Martin/CNET News.com

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