What does the Mississippi watershed have to do with us? Do we live in a watershed? If so how are we polluting or effecting it?
http://news.nationalgeographic.com/news/2014/04/140411-water-quality-nutrients-pesticides-dead-zones-science/?utm_source=Twitter&utm_medium=Social&utm_content=link_tw20140412news-waterdec&utm_campaign=Content&sf2563852=1
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