We all depend on oxygen to survive, but about 3 billion years ago, there was barely any oxygen at all. When was the last time you thought about where all the oxygen on Earth came from?
A research team from the University of Tokyo’s Department of Earth and Planetary Science thinks about this question all of the time. In a newly published study in Communications Earth & Environment, the team reveals that we may have volcanoes to thank for the abundance of air that we breathe.
