Efforts to contain Mississippi floods may have made them worse

Re-creation of the river’s 500-year flood history shows the worst floods are bigger than ever

Mississippi River flooding

HIGH WATER  Floods along the Mississippi River in spring 2011 rivaled the Great Flood of 1927 in size. Human engineering of the river may be making such floods bigger.

alansheaven/Flickr (CC BY-NC-SA 2.0)

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