Energy: Pinching Power

The leaning tower of Atlanta

Atlanta's new Georgia Power Co. building, which will be opened early next year, may be the shape of things to come in an era of expensive energy. The south wall of the 24-story edifice looks like an upside-down staircase: each floor overhangs the one below, so that the top of the building sticks out 23 ft. farther than the bottom. This unusual construction helps block out sunlight on steamy summer afternoons, thus reducing the need for air conditioning. But during the winter, when the sun is lower in the southern sky, the warming rays will be able...

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