The Baltic Sea’s Oxygen Levels Are At a 1,500-Year Low
https://motherboard.vice.com/en_us/article/wjkej4/baltic-sea-oxygen-levels-1500-year-low
Parts of the Baltic Sea are suffocating.
The sea cuts deep into Europe, and nine countries line its coast. Due to human activity over the past century, the Baltic Sea contains one of the largest “dead zones” of oxygen-starved water in the world—over 60,000 square kilometres.
