US Cities Could Be Capturing Billions of Gallons of Rain a Day
Your city is a scab on the landscape: sidewalks, roads, parking lots, rooftops—the built environment repels water into sewers and then into the environment. Urban planners have been doing it for centuries, treating stormwater as a nuisance to be diverted away as quickly as possible to avoid flooding. Not only is that a waste of free water, it’s an increasingly precarious strategy, as climate change worsens droughts but also supercharges storms, dumping ever more rainfall on scabby, impervious cities.Urban areas in the…