Carbon dioxide has been regulating Earth's climate for hundreds of millions of years—new study

Jan 07, 2025

Around 370 million years ago, Earth gradually descended into the longest lived and probably the most intense ice age witnessed by complex life: the Late Paleozoic ice age. At its peak, huge continental ice sheets spread across much of the globe and the sea level fell by more than 100 meters. In all, this ice age lasted around 100 million years.