“The installation of the green roof remedied the Hotel’s flooding issues and diverted much of the building’s stormwater runoff from the municipal sewage system. Stating that the cost savings and the health and safety benefits were tremendous, the Gladstone Hotel believes that the green roof is a valuable addition to the hotel and that it would have been very difficult to solve the runoff problem in any other manner.” City of Toronto, ECOroof Case Study, The Gladstone Hotel