Lauren Sallan of the School of Arts & Sciences spoke about the end of the Devonian period 359 million years ago, in which the ozone layer was damaged, resulting in a mass extinction. The discovery is significant to today’s climate change research.
https://www.sciencemag.org/news/2020/05/no-asteroids-or-volcanoes-needed-ancient-mass-extinction-tied-ozone-loss-warming Science