From Wiktionary, the free dictionary
collapsologist (plural collapsologists)
- (uncommon) Someone concerned with collapsology.
2020 October 11, Laura Spinney, “‘Humans weren’t always here. We could disappear’: meet the collapsologists”, in The Guardian[1], →ISSN:But in France, where they overlap to some extent with the gilets jaunes movement, collapsologists also consider society to be sick.