31 Aug '11, 4pm

Permeable pavement prevents pollution from runoff and can reduce flooding. Is it right for yr home?

Permeable pavement prevents pollution from runoff and can reduce flooding. Is it right for yr home?

The trouble with "runoff" is...the story's a bore. There are neither villains involved, nor poster animals at risk nor priceless scenery at stake. Yet the polluted water that runs off paved surfaces is the greatest threat to water quality in many areas of America today. It also contributes to groundwater depletion. Did you even realize we had a water quality problem in the United States? Well, surprise, surprise. Despite progress made under the Clean Water Act since 1970 in cleaning up our nation's waters, 40 percent of our rivers and 46 percent of our lakes are still too polluted for fishing, swimming or aquatic life. Runoff isn't the only cause, but it is an important one. And you can do something about it. Runoff happens as a matter of course when a heavy downpour or prolonged rain unleashes more water than the ground can absorb, or when a build-up of snow melts too rap...

Full article: http://www.nrdc.org/thisgreenlife/1106.asp

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