(Common Dreams) The largest 'dead zone' ever recorded is headed for the Gulf of Mexico this summer, as high levels of pollution runoff, elevated by Midwestern floods, seep into the ocean.
The dead area could grow to as much as 8,500 square miles of toxic deep ocean water—killing all marine life in its path—warn National Oceanographic and Atmospheric Administration scientists.
The findings signal a warning not only about the Gulf of Mexico, but about the many dead zones that develop each year across the world's oceans.
Dead zones emerge deep beneath the marine surface when pollution runoff from farms seeps into the ocean, releasing nitrogen that feeds large algae growths. ...........................(more)
The complete piece is at: http://www.commondreams.org/headline/2013/06/27-8