Baird Sampson Neuert Architects (BSN) is a leader in sustainable design, using a variety of green design methods such as LEED, Passive House (Passivhaus), net zero, bioclimatic, passive ventilation, geothermal, and solar chimney. BSN’s projects include academic facilities (university, college, and public schools), campuses, research centres, conservatories, parks, mausoleums, interpretive centres, visitor centres, libraries, museums, housing, and urban developments.