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World’s seas heated by a record 23 zettajoules last year

The Guardian UK Wednesday 30 September 2026, 06:00 UTC By Ajit Niranjan 1 min read
Key Points

The injection of thermal energy, 40 times that used by humanity in total, comes amid an increasing rise in sea levels and continuing acidificationA record-breaking 23 zettajoules of heat was sunk into the world’s seas last year, leaving ocean waters hotter, higher and less hospitable, a report has found. The explosive addition of thermal energy, which was almost 40 times greater than all the energy humanity used that year, comes amid far-reaching changes to the deep water bodies fundamental...

The injection of thermal energy, 40 times that used by humanity in total, comes amid an increasing rise in sea levels and continuing acidification

A record-breaking 23 zettajoules of heat was sunk into the world’s seas last year, leaving ocean waters hotter, higher and less hospitable, a report has found.

The explosive addition of thermal energy, which was almost 40 times greater than all the energy humanity used that year, comes amid far-reaching changes to the deep water bodies fundamental to life on Earth.

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Originally published by The Guardian UK Read original →

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