Can a collapse of global civilization be avoided? NO! US NATIONAL INSTITUTE OF HEALTH User cliffhanger1983, in the Die Off subreddit, 28 Mar 2017
Can a collapse of global civilization be avoided? NO! British Royal Society of Sciences User cliffhanger1983, in the Die Off subreddit, 28 Mar 2017
[Study] Can human civilization avoid collapse? User OrbitRock, in the A Living Ball of Fuzz subreddit, 21 May 2016
Can a collapse of global civilization be avoided? User MakeTotalDestr0i, in the Collapse of Civilization subreddit, 20 May 2016