This makes ocean heat one of the starkest indicators of the relentless march of the climate crisis, which will only end when emissions fall to zero. Almost every year since the start of the millennium has set a new ocean heat record. “Global warming is ocean warming,” he said. “Ocean warming continues to exert profound impacts on the Earth system,” the scientists concluded. “As long as the Earth’s heat continues to increase, ocean heat content will continue to rise and records will continue to fall,” said Abraham.

Source: The Guardian January 10, 2026 14:29 UTC