The initiative, if approved by voters, will require any developments started in 2018 over 25,000 square feet to include a green roof with solar energy collection. According to I-300 and organizations such as Denver’s Green Party and the Colorado Native Plant Society, these mandated green roofs will improve air quality, reduce the urban heat island effect, create sanctuaries and handle stormwater drainage better than traditional roofs.
Read more https://303magazine.com/2017/10/green-roof-initiative-denver/
