Research in the news: The rise of oxygen on Earth
Yale’s Noah J. Planavsky and collaborators have published a Nature review article titled “The rise of oxygen in Earth’s early ocean and atmosphere.”
Published online Feb. 19, the review surveys and assesses research about the emergence of significant oxygen concentrations and suggests that this happened hundreds of millions of years before the “great oxygenation event” of 2.3 billion years ago. In between, oxygen levels appear to have fluctuated considerably, according to the authors. (more…)