Your Cup of Coffee Uses 29,600x More Water Than a ChatGPT Prompt (w. Alex Passini) [2/2]

Everyone says AI is drinking the planet dry, right? Well, the numbers say your morning coffee uses 29,600× more water than a ChatGPT prompt!

In this episode, I sit down with Alex Passini to pressure-test the dominant narrative around AI's water footprint - and what we found completely flips the story the media is telling.

Here's what most "AI water crisis" headlines miss: → A single ChatGPT prompt uses roughly 16 milliliters of water. One cup of coffee uses ~140 liters when you count the beans. That's a 29,600× gap. → Of the water a hyperscale data center consumes, ~75% isn't used by AI at all — it's used upstream for the energy that powers it. Blame the grid, not the GPU. → One banana = ~6,250 ChatGPT prompts. One almond = ~12 prompts. The water-per-prompt math is rounding-error territory next to your lunch. → Florida already reuses 800 million gallons/day of treated wastewater. Data centers aren't the threat - they're an accelerant for the water reuse capex the sector has been waiting twenty years for.

If you're an investor trying to figure out whether AI's water story is a real thesis or a media artifact, this episode gives you the framework (and the numbers) to decide.

🧠 What you'll learn: - Why "data center water consumption" and "AI water consumption" are not the same thing - The actual per-prompt footprint of generative AI (modeled, not estimated) - How water reuse technology turns the alarmist narrative into an investment opportunity - Where the real bottleneck sits - and which sub-sectors stand to benefit

🎙️ Guest: Alex Passini (https://www.linkedin.com/in/alexpassini/) Alex is Vice President of Business Development at CSA Group CSA Group is hiring: https://csagroup.com/careers/ (I promised Alex in the podcast to put this in the show notes!)

📰 The newsletter behind the show: https://www.linkedin.com/newsletters/don-t-waste-water-6884833968848474112/ 🎧 Podcast feed: https://feed.ausha.co/br23DCZ1GnG3 💼 LinkedIn: https://www.linkedin.com/in/antoinewalter1/ 🔔 Subscribe if you want the unfiltered, numerate take on water sector investing - no jargon, no acronym soup, just the asymmetric bets worth pricing.

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