That Time Oxygen Almost Killed Everything

PBS Member Stations rely on viewers like you. To support your local station, go to http://to.pbs.org/DonateEons ↓ More info below ↓ What if we told you that there was a time when oxygen almost wiped out all life on Earth? 3 billion years ago, when the world was a place you’d never recognize, too much of a good thing almost ruined everything for everybody. This episode on the Oxygen Catastrophe is supported by Squarespace. If you visit squarespace.com and use offer code "eons", you ll get 10% off your first purchase. Produced for PBS Digital Studios. Want to follow Eons elsewhere on the internet? Facebook - https://www.facebook.com/eonsshow Twitter - https://twitter.com/eonsshow Instagram - https://www.instagram.com/eonsshow/ References: http://metro.co.uk/2008/12/31/early-earth-was-covered-in-water-274995/ http://www.amnh.org/explore/science-bulletins/earth/documentaries/the-rise-of-oxygen/article-earth-without-oxygen/ https://origins.asu.edu/blog/oxygenation-catastrophe http://advances.sciencemag.org/content/2/5/e1600134 http://www.livescience.com/1398-early-earth-purple-study-suggests.html http://www.bbc.com/news/science-environment-39117523 https://www.sciencedaily.com/releases/2013/01/130117084856.htm https://link.springer.com/referenceworkentry/10.1007%2F978-3-642-11274-4_1714 https://www.sciencedaily.com/releases/2017/01/170131080007.htm http://www.amnh.org/exhibitions/permanent-exhibitions/rose-center-for-earth-and-space/david-s.-and-ruth-l.-gottesman-hall-of-planet-earth/how-has-the-earth-evolved/banded-iron-formation