An aerial view of the Bullitt Center, rooftop solar array under construction

The world of architecture figuratively doffed its cap to Earth Day on Monday with the opening of the Bullitt Center in Seattle. The Bullitt Center aims to meet the rigorous Living Building Design Challenge, which looks beyond design criteria and scrutinizes a building’s green credentials, including energy self-sufficiency, over the course of a year in use. But more significantly, its developers claim that the Bullitt Center is the greenest commercial building in the world. The…

"An aerial view of the Bullitt Center, rooftop solar array under construction"