The world’s greenest, most energy-efficient office building is taking root in Seattle. The Cascadia Center for Sustainable Design and Construction will cement Seattle’s position among the leaders of the green building movement, according to UW’s Daniel Friedman and housing affordability expert Doris Koo on Crosscut. When completed it will help make the case for net-zero energy development in the cloudy PNW. It will increase knowledge and create positive economic impacts that are equally significant.