Florian Ulrich Jehn is a senior researcher in environmental science specializing in food security, climate impacts, and civilizational resilience.

Following doctoral studies analyzing hydrological systems, Florian’s research expanded to extreme climate change scenarios and innovative approaches to prevent global famine after catastrophic events.

Beyond academic research, Florian writes the research newsletter “Existential Crunch” (https://existentialcrunch.substack.com/) and and delivers public lectures on food security and global risks.