By Mark Keenan
March 18, 2026
For years the public has been told that the science of climate change is settled. Governments, media outlets, and international organizations frequently assert that the evidence for dangerous planetary warming is overwhelming.
Yet one of the most important measurements supporting that claim is now being challenged by new scientific research.
An international team of scientists has published a study arguing that the primary method used to estimate global ocean heat content - a central metric used in modern climate assessments - may be fundamentally flawed.