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Last Updated: Wednesday, January 13, 2010
A powerhouse duo on the green frontThe Philadelphia Inquirer President Obama is not expected to be there. Nor is the head of Wal-Mart, Mike Duke. But when Valley Forge building-products manufacturer CertainTeed Corp. unveils its "very, very first baby step" into the world of photovoltaic roofing next week at the International Builders Show in Las Vegas, Obama and Duke presumably will be pleased. In the fall, each took action to inspire greater commitment to protecting natural resources and working less wastefully, known in the green vernacular as sustainability. Read on.
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