Pavements occupy twice the surface area of buildings in the U.S. In urban watersheds they produce two-thirds of excess runoff and are responsible for essentially all the runoff pollution and ...

The concrete oozed rather than poured out of the mixer truck, almost as if reluctant to cover the ground — partly because it won’t, entirely. Laborers shoveled pebbly gobs around to form a new ...

The use of porous pavement surfaces for parking lots, driveways, alleys, and footpaths as an effective best management practice to control stormwater runoff has been growing at a double digit rate in ...

Do you have the porous (also called pervious) pavement maintenance blues? Are you finding this assignment by your customers one that cannot be done long term without permanently damaging it? Is it ...

A completed section of path shows the color and smoothness of the finish. Water percolates through the pavement into the ground, where it is returned to the water table naturally. A new kind of ...

Holes in porous pavement can get clogged with debris. Worcester uses porous pavement on some parking lots at parks. Porous pavement is 10% to 20% more expensive than traditional asphalt. (Correction: ...

When property is developed, pavements and building roofs decrease the rainfall infiltration into the soil and increase the quantity of stormwater runoff. The rain that previously soaked into the ...

The new curbs and sidewalks along Ohio Street, just west of College Avenue downtown, look like they were poured with a bad batch of concrete. The texture is that of large-curd cottage cheese. The ...

Cities may not be able to lessen their 'concrete footprint', which prevents groundwater from entering the soil, but maybe more city spaces can use porous surfacing to deal with this problem. Despite ...

The environmental and financial benefits of pervious concrete for paving commercial parking lots have long been recognized in the warmer climates of the United States. But as pervious concrete makes ...

The city is testing out a new form of green infrastructure to help prevent flooding in Brooklyn: porous pavement. Seven miles of porous pavement will be installed along a network of streets in Sunset ...