Existential Crunch
Florian U. Jehn, Bennett IorioThoughts about existential risk, history, climate, food security and societal collapse.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 56 | Founded | 3 years ago | Last Issue | 14 days ago |
| Active | |||||
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existentialcrunch.substack.comLatest Issues
The end of the fallout bunker
Passet, Stéphane. (1915). Conchy-les-Pots, Oise, France. Casemate abritant un canon de 75 [Autochrome]. Public Domain (CC-0). Inventory number: A5888.
This post is part of a living literature review on societal collapse. You can find an in...
April 2026 Updates
Léon, Auguste. (1915, April). Gerbéviller, France. La façade de la Chapelle [Autochrome]. Public Domain (CC-0). Inventory number: A5327.
It is a bit tricky to balance writing new posts and updating old ones. As this library of societal col...
Who shapes global risk?
Passet, Stéphane. (1913). Mont Athos, Grèce. Capture d’un brigand par la Gendarmerie Grecque [Autochrome]. Public Domain (CC-0). Inventory number: A3825.
This post is part of a living literature review on societal collapse. You can find an...
Nuclear war, nuclear winter, and the food system
Cuville, Fernand. (1917, October). Crapeaumesnil, France. Le Calvaire conservé comme vestige historique [Autochrome]. Public Domain (CC-0). Inventory number: A13511.
This post was originally an invited contribution to the United Nations In...
Strong democracies are a necessity for crisis management
Léon, Auguste. (1918). Paris, France. Le Triomphe de la République, place de la Nation, protégé contre les bombardements [Autochrome]. Public Domain (CC-0). Inventory number: A14746S.
This post here was written in collaboration with the Ge...
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Authors
The writers behind this newsletter.
Hi, I’m Florian. My main interests are climate change, existential risks, feminism, history and food security. If you have similar interests let’s get in touch!
President of GIE Foundation // Senior Advisor to Aquind Ltd // Geopolitical Advisor
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