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FJehn

Karma: 1,064

Hi, I’m Florian. I am enthusiastic about working on large scale problems that require me to learn new skills and extend my knowledge into new fields and subtopics. My main interests are climate change, existential risks, feminism, history, hydrology and food security.

Who shapes global risk?

FJehn11 Mar 2026 11:59 UTC
17 points
1 comment15 min readEA link
(existentialcrunch.substack.com)

Nu­clear war, nu­clear win­ter, and the food sys­tem: A con­tri­bu­tion to the United Na­tions In­de­pen­dent Scien­tific Panel on the Effects of Nu­clear War

FJehn23 Feb 2026 15:52 UTC
25 points
1 comment19 min readEA link
(existentialcrunch.substack.com)

End time eco­nomics: Sup­ply and de­mand af­ter global catastrophes

FJehn16 Jan 2026 10:46 UTC
9 points
1 comment7 min readEA link
(existentialcrunch.substack.com)

Does cli­mate sci­ence fo­cus on the right tem­per­a­ture range?

FJehn26 Nov 2025 15:56 UTC
33 points
1 comment11 min readEA link
(existentialcrunch.substack.com)

Auro­ras, space weather and the threat to crit­i­cal infrastructure

FJehn29 Oct 2025 10:53 UTC
18 points
2 comments12 min readEA link
(existentialcrunch.substack.com)

Ma­nipu­lat­ing the global ther­mo­stat: Cli­mate change, nu­clear win­ter, and strato­spheric aerosol injections

FJehn3 Sep 2025 9:14 UTC
23 points
5 comments12 min readEA link
(existentialcrunch.substack.com)

[Question] Does the Long-Term Fu­ture Fund provide fund­ing for any­thing be­sides AI and biose­cu­rity?

FJehn28 Aug 2025 16:04 UTC
18 points
4 comments1 min readEA link

The peo­ple’s his­tory of collapse

FJehn6 Aug 2025 8:09 UTC
13 points
2 comments23 min readEA link
(existentialcrunch.substack.com)