Global ocean heat broke records in 2025. Heat in the upper 2kms of the ocean increased by an estimated 23 zettajoules. That’s the equivalent of detonating hundreds of millions of Hiroshima atomic bombs – or roughly 200 times global electrical energy consumption in 2023.

Published 4 days ago
Source: reddit.com
Global ocean heat broke records in 2025. Heat in the upper 2kms of the ocean increased by an estimated 23 zettajoules. That’s the equivalent of detonating hundreds of millions of Hiroshima atomic bombs – or roughly 200 times global electrical energy consumption in 2023.

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