This article from The Christian Science Monitor looks at how development, farm practices, and population growth have increased the risk of flooding.
"Flooding in the Midwest seems to be getting worse."
"Researchers and other observers say such episodes are likely to worsen as efforts to protect vulnerable communities are outpaced by factors that increase the risk of flooding, including the ongoing practice of building on river flood plains."
"Most cities and towns in the Midwest lie along rivers and streams. Hydrologists and planners say that the cumulative effects of decades of land-use choices have gradually increased the likelihood of flooding. Throughout Iowa, Illinois, and Indiana, for example, much farmland is drained by buried tiles that carry rainwater quickly away from the fields into streams and rivers. Population growth, bringing new highways and subdivisions, increases runoff. And communities keep building on flood plains, which not only puts new development at risk but also reduces the amount of flood plain available to absorb floodwater."
"In many communities, levees protect low-lying neighborhoods and farmland. 'America has had a love affair with levees since the 1800s,' says Marceto Garcia, professor of civil and environmental engineering at the University of Illinois at Champaign-Urbana. But levees cause new problems by confining rivers and increasing flooding in other stretches."
FULL STORY: Why flooding worsens
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