Eco-roofs growing into urban role in Portland • Daily Journal of Commerce
Eco-roofs growing into urban role in Portland The Vanport Building at Portland State University has an eco-roof and solar panels. These features often compete for rooftop space. (courtesy of Mayer/Reed) As green roofs proliferate atop new buildings in Portland, landscape architects are learning lessons about what works and what doesn’t. In July 2020, the Portland City Council adopted the Central City 2035 plan. Among sweeping changes to the zoning code, new rules require eco-roofs atop buildings of 20,000 square feet or more in commercial zones within the Central City. Eco-roofs aren’t ...