BBB’s expansion of the landmark Arlington National Cemetery is the recipient of three awards this year for its thoughtful integration of new structures within this historic site.

Older building materials and practices allow some historic buildings to achieve unexpected energy efficiency. Often more significant, however, is the embodied energy derived from an existing building’s construction and maintenance.

The Building Innovation Hub recently published the following piece, by DC Historic Preservation Review Board Member Andrew Aurbach and BBB's Gretchen Pfaehler, about the aligned goals of sustainability and preservation in Washington DC and beyond.