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Steven Chu Pushes White Roofs In Fight Against Climate Change

07/21/2010 05:45 pm ET | Updated May 25, 2011

Since being appointed as the Secretary of Energy, Dr. Steven Chu has been talking all about the benefits of white roofs. Now he's going to put his own department where his mouth is by mandating that all new roofs on Energy Department buildings be either white or reflective.

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