New Study Reveals 2025 Sets New Ocean Heat Content Record Amid Accelerating Warming
Jan 14, 2026
A new international analysis has found that the world's oceans absorbed more heat in 2025 than in any year since the start of modern measurements. The 2025 heat gain totalled 23 zetta joules—equivalent to roughly 37 years of global primary energy consumption at 2023 levels, when the world used about 620 exajoules annually.
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