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![A diagram of how hypoxia and eutrophication occur in a coastal area](images/hypoxia101_125x80.jpg)
What's hypoxia? What's eutrophication? Learn about what causes an area the size of Massachusetts to have oxygen levels so low it can not sustain marine life.
![A graphic depiction of the Areal Extent of 2008 Hypoxic Zone](images/gulfnews125x80.jpg)
Raising awareness on hypoxia - access the latest information through articles & TV news.
![A drawing of the Mississippi-Atchafalaya River Basin within the U.S.](images/marb125x80.jpg)
Learn about the Mississippi-Atchafalaya River Basin (MARB), a vast watershed that comprises 31 states.