Seattle’s Deep Green Pilot Program allows deviation from the standard building codes in order to build more sustainably. If we want more sustainable buildings is this an approach that should be adopted more widely?

Seattle’s Living Building Challenge, says the city’s Department of Planning and Development “is a green building certification program that defines the most advanced measure of sustainability for buildings and landscapes possible today.” The Challenge is comprised of seven performance categories known as “petals.” The categories are Place, Water, Energy, Health…