The National Building Museum is creating a series of videos about DC’s “Great Green Places,” which combine transit, good streetcapes, parks, and a sense of community to create a welcoming and sustainable place to live. In the latest video, Office of Planning head Harriet Tregoning gives a tour of Columbia Heights, where historic row houses coexist with new condos and lively retail.

David Alpert is the founder of Greater Greater Washington and its board president. He worked as a Product Manager for Google for six years and has lived in the Boston, San Francisco, and New York metro areas in addition to Washington, DC. He lives with his wife and two children in Dupont Circle.