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Eco-photos of the week: May 24-30

U.S. Secretary of Energy Steven Chu looks on during his meeting in Rome, Italy.

Photo: ZUMA Press

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Chu in Italy

U.S. Secretary of Energy Steven Chu looks on during his meeting in Rome, Italy. Chu was in town for the G8 energy ministers' conference, which met to discuss how to accelerate energy efficiency, among other things.