Florian Géron’s Post

📩 Last week, I received an important email: a carbon emissions report from Deloitte Cloud Services for our Azure environment. 🌍 The report revealed that our Azure subscription—which powers key components like databases and Large Language Models (LLMs)—was responsible for approximately 42 kg of CO₂ emissions in March. That’s roughly equivalent to driving 174 km in a gasoline car. Not ideal. Amid ongoing geopolitical uncertainty, it's easy to lose sight of the climate crisis we continue to face. CO₂ emissions remain a major driver of human-induced global warming. But here’s where it gets interesting: How do the emissions from AI infrastructure compare to the emissions from not using it? 🧠 Let’s do a quick back-of-the-envelope calculation: In Belgium, the average employee emits around 25 kg of CO₂ per workday—from transportation, energy use, and even food. In a recent project, our Regulatory colleagues reported a 70% time savings thanks to our AI-enabled regulatory solution ("RegAI"). For a project that would’ve otherwise taken 600 hours, that’s 400 hours saved—equivalent to 50 working days, or about 1,250 kg of CO₂ if you consider all sources. Even if we take a conservative estimate—say 5 kg per person per day (just the fuel needed to “run the human brain”)—we’re still talking about 250 kg of CO₂ avoided, compared to 42 kg emitted by Azure. 📉 So yes, AI emits CO₂. But so do we. And in this case, smart use of AI helped reduce the carbon footprint of a project by enabling greater efficiency. ⚠️ Of course, this is a theoretical scenario. In practice, time saved is reallocated to other valuable work—so overall emissions still rose. But crucially, the emissions per unit of work delivered have dropped. That’s progress. But it comes at a cost: energy. And unless that energy is sustainably sourced, that cost is still measured in carbon. 🌱 The takeaway? Efficiency gains from AI are real, but they highlight the need for greener energy—not just smarter tech. 💡 And one final note: Not every problem needs an LLM. If a quick Google search does the trick, use that. Let’s be thoughtful about when and how we use powerful tools like GPT—efficiency includes knowing when not to use them.

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