A group of terrorists like none the world has ever encountered before - so extreme that their success could literally mean the end of life on this earth as we know it. (bookbrowse.com)
He proposes a more balanced reflection on the significance for life on earth of the forces involved in disasters and on what we can do to protect and support people facing such disasters. (faith.org.uk)
If this occurs, it would likely mean the end of life on the earth as we know it. (realclimate.org)