Island in the Extremes:
How to reduce the impacts of severe weather events in downtown Montreal
As climate change is knocking at our doors, the island of Montreal needs to be prepared to experience more and more extreme weather events such as droughts, floodings and heat waves.
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Historic heat waves and heavy rainfall that Montrealers have experienced in the past few years makes it urging to find solutions to cope with changing weather patterns. The cities of today were built to withstand the temperatures in our record books. However, constantly increasing temperatures in the city highlight the fact that buildings, roads, rails and homes simply aren’t designed to handle this. Focusing on nature-based solutions, extensive green roofs covered with vegetation can reduce citywide ambient temperatures as well as others advantages such as slow down rainwater runoff, reducing risk of flash flooding. There have been several studies conducted to evaluate green roofs for their cooling properties. Even if they have not all been conclusive, enthusiasm has been demonstrated for the adoption of such a strategy in big cities and to continue to study their effects on climate change.
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