Baltic Sea oxygen levels at '1,500-year low due to human activity'

Nutrient run-off from agriculture and urban sewage are likely to be to blame, scientists say

The coastal waters of the Baltic have been starved of oxygen to a level unseen in at least 1,500 years largely as a result of modern human activity, scientists say. Nutrient run-off from agriculture and urban sewage are thought to be to blame.

Last updated on 05 July 2018