8 votes Study shows erosion of ozone layer responsible for mass extinction event Posted May 28, 2020 by braingoo Tags: ozone layer, greenhouse gases, studies, university of southampton, science.atmospheric, extinction.mass, source.eurekalert https://www.eurekalert.org/pub_releases/2020-05/uos-sse052620.php Link information This data is scraped automatically and may be incorrect. Word count 1135 words