CHICAGO -- The Subway sandwich shop on Chicago's State Street may look like any other new restaurant, but its tile, crown molding and most wall coverings are made from recycled materials. In the bathroom, sensors control water flow, timers manage lights, and the toilet has a low-flow option. A smart air-conditioning system normalizes temperature between the bread ovens and the eating area.
A few blocks north at Macy's, the Starbucks cafe features LED lighting, manually operated hand meter faucets to conserve water and a wooden coffee bar with a plaque explaining it was salvaged from a fallen local tree."
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