Retailers are typically obsessed with what to put under their roofs, not on them. Yet the nation's biggest store chains are coming to see their immense, flat roofs as an untapped resource.
Giant Retailers Look to Sun for Energy Savings
Current Status: Blessed (1)
Seeded by Marilyn L View Original Article: 
The New York Times
Seeded on Tue Aug 12, 2008 11:26 AM
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