Porous Concrete is made with little or no sand and generally uses larger pea gravel, so the look is not as smooth as conventional concrete. It is available through most concrete suppliers.
To help reduce surface runoff, consider using permeable pavers — porous pavement — instead of old-fashioned concrete. Originally published as
Before you lay down a new concrete driveway, or a coating of asphalt, consider an aesthetic and environmental alternative: permeable paving
A summer of barbecuing and a smothering of leaves this fall has left your backyard exhausted and ready for winter. But that doesn't mean you should simply sow a cool-season, perennial rye and call .
Florencia Ramirez: Drought solutions are porous pavement, fewer pesticides and herbicides - San Jose Mercury News