This is an example of a mid-sized beach style full sun rooftop landscape in seattle with gravel.
Photo by Prentiss balance wickline architects
They provide cleaner air – green roofs reduce air pollution and greenhouse gas emissions associated with mechanical energy production. the plants in a green roof actively work to deliver cleaner air, by removing particulate matter and gaseous pollutants. for instance, they absorb co2 gases, which are a huge contributor to global warming, and other pollutants including sulphur dioxide, nitrogen oxides, carbon monoxide, and ground-level ozone from the air.