Historical lake microbes triggered world warming throughout ice age

Mannequin of methane manufacturing from microbial exercise in an alkaline lake. Credit score: Xia et al, 2023.

International warming is just not solely a recent situation however has additionally occurred all through Earth’s historical past, together with in the course of the Late Paleozoic Ice Age round 304 million years in the past. Latest research have uncovered proof of elevated sea floor temperature, declining continental ice, and the flooding of oceanic environments onto land.