Sea-level rise: Expansion caused by ocean warming is the main driver

The rise in sea level is largely due to the expansion of water caused by global warming. From 1960–2023, this accounted for 43% of the rise.

26. May 2026
Huge concrete bollards along the Mediterranean coast of Alexandria to protect against rising sea levels. (picture alliance / imageBROKER | john wreford)

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Last updated: 26. May 2026