Personal homepage of Jakob Löhnertzhttps://jakob.codes/https://jakob.codes/posts/your-hamburger-is-worse-than-your-chatbot/https://jakob.codes/posts/your-hamburger-is-worse-than-your-chatbot/A single AI query uses about 0.3 Wh of electricity and 0.3 mL of water. A single hamburger requires 1,740 liters of water to produce. You would need to ask an AI chatbot 5.8 million questions to match the water footprint of that one burger. AI's energy use is growing fast and deserves scrutiny, but the people being outraged over it while eating beef and booking long-distance flights are worried about the wrong things.Sat, 21 Mar 2026 00:00:00 GMThttps://jakob.codes/posts/the-bill-is-coming-due/https://jakob.codes/posts/the-bill-is-coming-due/The famous claim that 100 companies cause 71% of emissions is technically true but deeply misleading: roughly 90% of those emissions happen when we, the consumers, use the products those companies sell. We built our economies on fossil energy the same way teams ship on technical debt: it works today, but the unpriced cost is $7 trillion per year and the planet is approaching tipping points that do not have a rollback.Sat, 14 Mar 2026 00:00:00 GMThttps://jakob.codes/posts/catalanism-as-a-strategic-insurance/https://jakob.codes/posts/catalanism-as-a-strategic-insurance/Catalonia's push for independence is often dismissed as nationalism or identity politics. But there is a pragmatic case: autonomy as a strategic safeguard against democratic backsliding, drawing on lessons from Franco-era repression, Ukraine's sovereignty, and the limits of EU protection.Wed, 18 Jun 2025 00:00:00 GMT