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T
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he extreme rainstorms
that strike with increasing frequency -- such as the Memorial Day weekend
downpours in Texas -- are having devastating effects beyond the severe flooding
they cause.
Sudden and forceful rains overwhelm urban storm-drain
systems, as water pours over roads, rooftops and other impervious surfaces,
washing away dust, oil, trash and waste of all kinds.
This dirty wash then runs into rivers, streams and lakes,
and pollutes downstream drinking water.
Read the Bloomberg View
story - “Green Roofs, Built on Private Investment”.
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