If you’ve not heard about pervious concrete, essentially concrete paving that allows rainwater to passthrough it rather than create stormwater runoff problems, check out this website: Pervious concrete, when it rains it drains. ^[1] Unlike many “green” claims, this one is legitimate and will likely play a bigger role in the future of construction. Contractors whoinstall pervious concrete for their clients rack up some nice LEED points ^[2], which is something hospitals, governments and other institutional builders are increasingly requesting.