PolicySaturday, September 26, 2026ScienceDaily
Scientists may have misread a 2-billion-year-old clue about Earth
Researchers are reevaluating a key 2-billion-year-old chemical signature previously believed to indicate a significant transformation in Earth's carbon cycle, suggesting it may actually originate from local volcanic activity. This new understanding could influence our comprehension of early Earth's environmental conditions and the evolution of its atmosphere.
