Oceans Are Losing Oxygen, Just As They Did 94 Million Years Ago

A recent study sheds light on why Earth's oceans have been losing oxygen in recent decades. Globally, scientists can measure oxygen levels in the ocean and evidence points to a 2% decrease in oxygen levels in the past 50 years.

from Forbes Real Time http://www.forbes.com/sites/trevornace/2017/08/10/oceans-losing-oxygen-94-million-years-ago/
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