The Interior Building in Washington, D.C. Gets a "Green Roof"
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The National Park Service's parent agency, the U. S. Department of the Interior, recently completed a project with both literal and symbolic "green" benefits. Earlier this week, Secretary of the Interior Dirk Kempthorne helped unveil a "green roof" located on the 3rd wing of the Main Interior Building in Washington, D.C.
- By Jim Burnett - December 20th, 2008 4:58am