Caption: The world's rivers are in crisis, according to a new study by researchers from the University of Wisconsin-Madison Center for Limnology and the City College of New York (CCNY) that is published in the Sept. 30, 2010 issue of the scientific journal Nature. The study, led by UW-Madison limnologist and professor of zoology Peter McIntyre and CCNY modeler Charles Vörösmarty, combines, for the first time, indices of water security and biodiversity for all of the world's rivers, many of which are severely degraded due to issues of pollution, water diversion and introduced species.
Illustration: Barry Carlsen
Date: September 2010
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