Earth's Oceans Suffocating And Creating More 'Dead Zones': Study : SCIENCE : Tech Times

Parts of the world's oceans with zero oxygen have increased up to four times according to a new study by an international team of scientists. This is problematic because it threatens the destruction of marine ecosystems and because a majority of the Earth's oxygen comes from the oceans.....
http://www.techtimes.com/articles/218187/20180107/earths-oceans-suffocating-and-creating-more-dead-zones-study.htm