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A diagram of how hypoxia and eutrophication occur in a coastal area

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

Raising awareness on hypoxia - access the latest information through articles & TV news.

A drawing of the Mississippi-Atchafalaya River Basin within the U.S.

Learn about the Mississippi-Atchafalaya River Basin (MARB), a vast watershed that comprises 31 states.