The world warmed to yet another monthly heat record in January, despite an abnormally chilly United States, a cooling La Nina and predictions of a slightly less hot 2025, according to reports.

It's mid-February and freezing in Denver, but the thermometer doesn't appear to show how cold it actually feels.

The planet has been shattering heat records for the past two years. That was expected to ease in January—and the fact that it ...