The year 2025 was the warmest on record for the heat content of the world’s oceans. Ocean heat content (OHC) increased by around 500 zettajoules – billion trillion joules – since the 1940s.

By Edward Carver Every calendar year since 2019, ocean temperatures have reached new record highs. 2025 was no exception, ...

The ocean’s calendar is being rewritten, and human activity is holding the pen. Researchers at the Woods Hole Oceanographic ...

The Climate Shift Index: Ocean quantifies the influence of climate change on sea surface temperatures. It’s grounded in peer-reviewed attribution science and was launched by Climate Central in 2024.

The scorching heat spurring advisories in parts of Florida this week have also meant warmer ocean temperatures, which last year hit record-breaking levels around the state's coasts. Ocean surface ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (WGHP) – With temperatures warming up and ...