Sustainability advocates have raised concerns that Australia’s green building criteria are unsuited to the climate zones of many parts of the country, and will thus hamper efforts to raise the energy efficiency of the built environment.

Problems with Australia’s building efficiency criteria were brought to light last year by the winners of the 2014 Australian Institute of Architects Gold Medal, Adrian Welke and Phil Harris of the Northern Territory’s Troppo Architects. The pair made the point that current criteria are based upon the premise that maximizing the…