World’s oceans absorbed record heat equal to 40 times annual global energy use
Global oceans absorbed a record-breaking 23 zettajoules of heat, according to the Copernicus Ocean State Report. This thermal absorption equals 40 times the total annual energy use of humanity. Scientists delivered their starkest warning yet, noting that marine heatwaves, sea-level rise, acidification, and coral bleaching are intensifying worldwide. Salty seas are getting saltier as profound changes sweep marine ecosystems and threaten fisheries, particularly in Europe. The massive energy uptake highlights the role oceans play in buffering human-driven climate consequences.
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- ✓ Global oceans absorbed a record 23 zettajoules of heat last year.
- ✓ The absorbed heat is equivalent to 40 times the annual energy use of humanity.
- ✓ The findings come from the 10th annual Copernicus Ocean State Report.
- ✓ Sea-level rise, acidification, coral bleaching, and marine heatwaves continued to intensify worldwide.
What changed
The release of the 10th annual Copernicus Ocean State Report quantified global ocean heat uptake at 23 zettajoules for the past year.
Live updates
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World Oceans Absorb Record Heat Equal to 40 Times Global Energy Use
Global oceans absorbed a record-breaking 23 zettajoules of heat, according to the Copernicus Ocean State Report. This thermal absorption equals 40 times the total annual energy use of humanity. Scientists delivered their starkest warning yet, noting that marine heatwaves, sea-level rise, acidification, and coral bleaching are intensifying worldwide. Salty seas are getting saltier as profound changes sweep marine ecosystems and threaten fisheries, particularly in Europe. The massive energy uptake highlights the role oceans play in buffering human-driven climate consequences.
Why it matters
The 10th annual Copernicus Ocean State Report reveals alarming trends in ocean warming and marine ecosystem damage. Oceans have consistently acted as a buffer by absorbing carbon dioxide and mitigating human activity consequences. However, continuing acidification and rising thermal energy pose escalating threats to global marine life and dependent communities.
What is confirmed
- Global oceans absorbed a record 23 zettajoules of heat last year.
- The absorbed heat is equivalent to 40 times the annual energy use of humanity.
- The findings come from the 10th annual Copernicus Ocean State Report.
- Sea-level rise, acidification, coral bleaching, and marine heatwaves continued to intensify worldwide.
What to watch next
- Further policy responses and climate mitigation strategies from international bodies following the Copernicus report
- Additional regional impact assessments on European fisheries and marine ecosystems
confidence 100%Sources used for this update (14)
- CNN — Scientists deliver ‘starkest warning yet’ of profound changes sweeping the planet’s oceans
- The Guardian — World’s oceans absorbed record heat equal to 40 times annual global energy use
- Financial Times — Salty seas get saltier and world ocean more acidic as heatwaves bring ‘profound change’
- Reuters — How Europe’s intensifying marine heatwaves threaten its fisheries
- Oceanographic Magazine — “Transforming before our eyes”: ocean absorbing record heat
- Ocean Conservancy — The Ocean is Changing—Here’s What We Can Do About It
- www.theguardian.com — World’s oceans absorbed record heat equal to 40 times annual ...
- www.commondreams.org — Report Delivers ‘Starkest Warning Yet’ on How Climate ...
- bsky.app — @d-le-nen.bsky.social 님의 게시물
- green.org — World’s oceans absorbed record heat equal to 40 times annual ...
- bsky.app — @davidho.bsky.social 님의 게시물
- www.ibtimes.co.uk — Oceans Absorbed 40 Times the World's Energy Use in 2025 as 84 ...
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