Green Roof Initiative approved for Denver buildings larger than 25,000 square feet
Beth Hyatt | November 21, 2017

Now that voters in Denver, Colorado, have approved the Green Roof Initiative, buildings in Denver larger than 25,000 square feet will have to devote a portion of their rooftops to vegetation beginning on Jan. 1, 2018.

Denver is one of the first U.S. cities to require green roofs.

According to the Denverite, those who spent at least $25,000 to defeat the measure believe there will ...