Six SDC Washington, DC-area projects will be featured on seven Greenbuild Tours: National Zoo Park Seals and Sea Lion Exhibit on TM02 AND on TF02, The Wharf at Southwest Waterfront on TM03, The Nature Conservancy Headquarters on TM08, Stoddert Elementary School on TS02, Dunbar Senior High School on TS03, McKinley Technical Middle School on TS03.