Why Does AI Need Data Centers?

Five tech companies now spend more building AI data centers than the entire world spends producing oil and natural gas. Here's where all that electricity actually goes, and why the chip is barely half the story. In this video: the IEA's data on the AI data center buildout, Google's own energy breakdown of a single AI prompt, the median-vs-average mixup that made headlines get it wrong, and where the power for all of this is actually coming from. Sources: International Energy Agency, "Energy and AI" report and satellite-tracking data Google, "Measuring the environmental impact of AI inference" (arXiv:2508.15734, Aug 2025) Sam Altman, personal blog post on ChatGPT energy use per query Lawrence Berkeley National Laboratory, "2024 United States Data Center Energy Usage Report" Amazon Q4 2025 earnings call (Feb 6, 2026) CNBC, "Tech AI spending approaches $700 billion in 2026, cash taking big hit" (Feb 6, 2026) Shaolei Ren, Engineering Professor, UC Riverside, on-record critique of Google's methodology, and Google's public response