Ocean 'dead zones' have quadrupled because of climate change

[ahlam1399]

Researchers are warning that oxygen-starved ocean "dead zones," where animals and plants are struggling to survive, have increased fourfold.http://feeds.feedburner.com/~r/NydnRss/~4/1hRfTo-aG5s

أكثر... (http://feeds.nydailynews.com/~r/NydnRss/~3/1hRfTo-aG5s/ocean-dead-zones-quadrupled-climate-change-article-1.3745221)