Built environment sustainability is a multi-faceted concept. Sustainable structures deliver a host of benefits, including decreased energy use, improved indoor air quality, and reduction in the use of hazardous materials.

Rating systems such as Green Star and LEED can take credit for advancing the green building paradigm, but other parties have played a crucial role as well. Government agencies, architects, engineers, builders, and product manufacturers have all been instrumental in creating a built environment in which structures are held to…