Ontario cities are adapting to increased flooding from extreme weather, with innovative solutions like the smart blue roof. Installed at Credit Valley Conservation’s (CVC) headquarters in Mississauga, this is Canada’s first smart blue roof meeting CSA rainwater harvesting standards. The roof uses sensors and programmable controls to manage rainwater, either evaporating it to cool buildings, storing it for non-potable uses, or slowly releasing it into the stormwater system. While promising, challenges include limited expertise, winter usability, and building code considerations. The project, launched in 2022, has earned the 2025 Clean50 Top Project Award and aims to inspire broader adoption across Canada.
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