Spreading ocean "dead zones" top list of threats at UN environment forumKyodo / Monday March 29, 1:54 PM
So-called "dead zones," oxygen-starved areas of the world's oceans that are devoid of fish, top the list of emerging environmental challenges, the United Nations Environment Program warned Monday ...
Dead zones have long afflicted the Gulf of Mexico and Chesapeake Bay, but are now spreading to other bodies of water... appearing off South America, Japan, Australia and New Zealand....
