Thursday, April 25, 2013

Sprawl, parking lots, and the floods in the Midwest

When it rains, the water needs somewhere to go. Ideally, that someplace is a forest or meadow, which filters and absorbs the water into the ground. But when, instead of natural vegetation, we have rooftops and pavement, the natural process is broken and the water runs off, gaining volume and velocity.

Atlantic Cities

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