John Volk, executive secretary of the Friends Committee on National Legislation, stands atop the vegetated rooftop of the first "green" building on Capitol Hill in Washington July 12, 2007. The landscaped roof controls runoff and helps control the temperature of the building. The FCNL Green Building is the office for the Quaker Lobby group in Washington. The building, which has been transformed from two historic Civil War era row houses, is being described as an example of practical ways to protect the environment by reducing energy consumption.
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