World’s Oceans Record Highest Heat Content in 2025

According to a new international study, titled “Ocean Heat Content Sets Another Record in 2025”, the world’s oceans absorbed more heat in 2025 than in any year on record.

  • Scientists warn that the trend highlights the accelerating pace of global warming and its growing impact on weather and sea levels.

Record Ocean Heat Uptake

  • In 2025, the ocean absorbed an extra 23 zettajoules of heat energy.
    • 1 zettajoule = 10²¹ joules.
  • This amount of energy is equivalent to around 37 years of global energy consumption at 2023 levels.
  • Heat stored in the upper 2,000 metres of the ocean reached its highest level since modern ....
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Ecology & Environment