In 2018, a University of Hawaii study compared green and white roofs in Honolulu and found green roofs stayed cooler during the hottest hours | World News
In 2018, a University of Hawaii study in Honolulu found that a planted green roof could stay noticeably cooler than a conventional white roof, particularly during the hottest part of the day. The research compared an existing white rooftop with a green roof covered in sedum plants, recording temperatures at the roof surface and in…

