From Grist
''The Gulf of Mexico dead zone seems to get all the attention. Yes, the low-oxygen area that forms every year in the waters surrounding the Mississippi Delta is the largest dead zone — currently around the size of Massachusetts — but it’s not the only one in U.S. waters.
The Chesapeake Bay has a dead zone, too. In fact, it covered a third of the Chesapeake last year and continues to grow. And last month, the University of Maryland’s Center for Environmental Science gave the Bay a D+ in its annual “health report card.''
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