So how is this green? The walnut is hand-milled from a fallen tree; countertop is domestic soapstone sustainably quarried, work is all done by local craftspeople. New energy-efficient windows approved for historic consistency by the Roland Park Association, and indoor air quality protected with healthy finishes and better ventilation. Deconstruction of pre-existing window and fixtures yielded a nice tax-deduction for the owner and extensive re-use of materials. Collaborative design with Greenbuilders, the clients, and a consultation with architect Bruce Finkelstein.