What did the Chinese Academy of Sciences reveal about Earth's oceans in 2025?

The Chinese Academy of Sciences revealed that Earth's oceans absorbed a record 23 zettajoules of heat in 2025.

How does ocean heat content relate to climate change?

Ocean heat content is a primary indicator of long-term climate change as it reflects the accumulation of heat trapped by greenhouse gases.

What are the consequences of record ocean heat according to experts?

Record ocean heat drives sea-level rise, intensifies heatwaves, and fuels extreme weather events like storms and droughts.

Home / Environment / Earth's Oceans Hit Record Heat in 2025

Earth's Oceans Hit Record Heat in 2025

19 Jan

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Summary

Oceans absorbed a record 23 zettajoules of heat in 2025.
This heat contributes to rising sea levels and extreme weather.
Urgent global action is needed to curb emissions and safeguard the future.

In 2025, Earth's oceans absorbed a staggering 23 zettajoules of heat, setting a new record. This massive energy gain underscores the escalating impact of climate change, with scientists from the Chinese Academy of Sciences highlighting ocean heat content as a critical indicator of global warming.

The absorbed heat is not evenly distributed, with regions like the tropical Atlantic and North Pacific experiencing accelerated warming. This trend of record-breaking ocean heat has persisted for nine consecutive years, exacerbating marine life devastation and causing sea levels to rise due to thermal expansion.