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A comment on How to Build a City That Doesn’t Flood? Turn It into a Sponge. Parent comment

Re:How to Build a City That Doesn’t Flood? Turn It into a Sp... by 24gttghh on Wednesday December 06, 2017 @09:07AM (#15861100)
There are certain ways of building swales[0] in an urban environment that can help absorb or slow the leeching of nasty chemicals in runoff into groundwater or communities downstream.

[0]http://nwrm.eu/measure/swales

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