Baltic Sea -

Approximately 94% of the sea is impacted by excessive nutrients, leading to "dead zones" roughly 1.5 times the size of Denmark.

State of the Baltic Sea – Third HELCOM holistic assessment baltic sea

The is currently classified in "poor environmental status," as detailed in the comprehensive State of the Baltic Sea 2023 report. While regional efforts have successfully reduced nutrient inputs in some areas, the overall ecosystem remains under severe pressure from eutrophication , pollution , and climate change . Environmental Status & Ecology Approximately 94% of the sea is impacted by