New Study Says Baltic Sea Oxygen Levels are Lowest in 1,500 Years
New Study Says Baltic Sea Oxygen Levels are Lowest in 1,500 YearsByTWC - Digital•
July 9, 2018
Updated: July 9, 2018, 7:40 am EDTPublished: July 9, 2018, 7:40 am EDTThe Baltic Sea's oxygen levels are the lowest in 1,500 years due to toxic runoff.
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