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Earth Is Simmering in Its Hottest Water Temps on Record, and that’s Bad for Fish and Us

Copernicus said 21.1 degrees Celsius sea surface temperatures could rise further as El Niño and climate change strain marine life and fisheries.

  • On Monday, the European climate service Copernicus announced world ocean temperatures reached a record 21.1 degrees Celsius on Friday and Saturday, driven by a growing natural El Niño and human-caused climate change.
  • Long-Term warming from burning coal, oil, and gas has warmed the waters by 0.8 degrees Celsius , Samantha Burgess, strategic climate lead for Copernicus, explained. The current El Niño is expected to reach its peak between November and January.
  • "The ocean is not supposed to do this," said Boris Worm, a biology professor at Dalhousie University. University of North Carolina marine ecologist John Bruno noted that hot water kills coral, though some species are adapting to the heat.
  • Former National Oceanic and Atmospheric Administration chief Jane Lubchenco warned this warming destabilizes weather patterns and threatens food security. Worm cautioned that fisheries, such as the Peruvian anchovy industry, face collapse as the food web unravels.
  • Describing the ocean as the planet's thermostat, former NOAA chief Rick Spinrad stated, "as long as we depend on a healthy ocean for our safety, prosperity and wellbeing, these record-breaking sea surface temperatures portend even greater challenges for us all.
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14 Articles

The Toronto StarThe Toronto Star
+4 Reposted by 4 other sources
Lean Left

Earth is simmering in its hottest water temps on record, and that’s bad for fish and us

The world's oceans simmered to their hottest temperatures on record over the weekend and are likely to warm even further in the next few months, putting stress on life in the water and on land too, the European climate service…

·Toronto, Canada
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Winnipeg Free PressWinnipeg Free Press
+3 Reposted by 3 other sources
Center

Earth is simmering in its hottest water temps on record, and that's bad for fish and us

The world's oceans simmered to their hottest temperatures on record over the weekend and are likely to warm even further in the next few months, putting stress on life in the water and on land too, the European climate service Copernicus announced Monday.

·Winnipeg, Canada
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saarbruecker-zeitung.desaarbruecker-zeitung.de
+2 Reposted by 2 other sources
Center

A new temperature record documents once again how fast climate change is progressing: the highest average sea temperature has just been measured.

Center

Climate change continues to fuel the world's oceans. Last weekend, according to the EU climate service Copernicus, the highest daily value of the world's average sea surface temperature was recorded.

·Germany
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Lean Right

On Saturday, the world's oceans reached their highest level ever measured at 21.1 degrees. Higher sea temperatures increased the risk of extreme weather events.

·Vienna, Austria
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  • 46% of the sources are Center
46% Center

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Handelsblatt broke the news in Düsseldorf, Germany on Monday, August 24, 2026.
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