Carbon Cycle

Modelling of Earth's ancient carbon cycle reveals that volcanic arcs only became a dominant source of greenhouse gas emissions towards the end of the dinosaur era. This shift occurred around 100 million years ago, driven by the emergence of certain ocean plankton 150 million years prior. Previously, most carbon was released through rifting processes rather than volcanic activity.

8. november 2025 Rapportert av AI

Scientists have discovered that the Southern Ocean releases 40% more carbon dioxide during winter than previously estimated. Using laser satellite data and machine learning, researchers pierced the polar darkness to reveal this hidden emission burst. The findings reshape understanding of the ocean's role in the global carbon cycle.