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Earth

How river engineering is tied to US floods

By Fred Pearce

25 June 2008

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

WHEN levees broke across Illinois, Missouri and Iowa this month, the resulting floods destroyed an estimated 2 million hectares of corn and soya crops, making the Midwest flood the most destructive since 1993.

Back then, when more than 50 towns were wrecked, it was buildings and infrastructure that got the attention, not lost crops. This time it’s different. Empty grain silos and rising food prices have made the loss of the harvest in one of the world’s key areas for food production big news. Unfortunately, this very fact makes it even less likely that there will be any attempt to…

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