Article from 01.03.2024 | Last changed: 20.08.2025
Seas under pressure – Ocean acidification due to CO₂
… Seas under pressure – Ocean acidification due to CO₂ The North Sea Source: Manuela Krakau / UBA Oceans and seas absorb significant amounts of carbon dioxide (CO₂) from the atmosphere. With increased uptake of CO₂, the pH level of seawater decreases, making it more acidic. This chemical change …