Noted ecologist Gene Likens, founding director of the Cary Institute of Ecosystem Studies and a co-discoverer of acid rain, was among the study’s authors. The extent of alkalinity change in streams and rivers exceeded his expectations: «This is another example of the widespread impact humans are having on natural systems. Policymakers and the public think that the acid rain problem has gone away, but it has not.»
Fuente : http://www.eurekalert.org/pub_releases/2013-08/cio…
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