Concrete + Rain = Flash Floods

The trend of paving our front gardens for parking means that sometimes heavy rain can’t soak away and it can lead to flash flooding.  The Depave movement recommends using porous block paving, permeable asphalt, and new fast-draining concrete in order to help prevent flash flooding. https://www.theguardian.com/environment/2016/jul/25/why-concrete-rain-flash-floods-weatherwatch