
TL;DR
World's oceans have reached a record high temperature of 21.1C, driven by climate change and the El Niño phenomenon, surpassing previous records. This increase poses significant risks to weather patterns, sea levels, and marine ecosystems.
✦ Why It Matters
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Key Takeaways
Full Summary
Recent data from the European Copernicus climate change service indicates that the average surface temperature of the world's oceans, excluding polar regions, has hit 21.1C (70F), surpassing the previous record of 21.09C set in March 2024. This increase is attributed to both human-caused climate change and the developing El Niño, which typically brings warmer waters to the Pacific Ocean.
Measurements were taken from various sources, including buoys and satellites, to provide a global estimate. The timing of this record is concerning, as ocean temperatures usually peak in March or April, not August.
The current warmth is already affecting regions far from the Pacific, with marine heatwaves reported in the English Channel. Scientists warn that these rising temperatures can lead to more extreme weather, higher sea levels, and detrimental impacts on marine life.
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