Energy vs Climate: How climate is changing our energy systems

The Hidden Power Bill of Artificial Intelligence with MIT's Vijay Gadepally


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Vijay Gadepally joins Ed and Sara to break down the real energy footprint of AI—and why most people (and companies) are getting it wrong. 

They discuss: 

  • How "agentic" AI systems use an order of magnitude more energy than ChatGPT.
  • Whether efficiency gains can keep pace with exploding usage (spoiler: not yet). 
  • The one simple change that could cut AI energy use by 80%. 

Vijay is Senior Scientist at the MIT Lincoln Laboratory Supercomputing Center and Co-Founder of Bay Compute and Radium Cloud. He studies what's actually happening under the hood of AI systems—and has the data to back it up. If you've been wondering whether AI is derailing the clean energy transition, or whether smarter software design could keep energy use in check, this is the conversation you need to hear.


🎙️ TIMESTAMPS
00:00:00 - Introduction & Cold Open
00:01:17 - Welcome & Guest Introduction
00:02:59 - Agentic AI: The New Energy Problem
00:04:10 - A Brief History of AI: From Expert Systems to LLMs
00:08:43 - Agentic AI vs. LLMs vs. Reasoning Models Explained
00:10:00 - The Energy Reality: One AI Node = 10-15 Homes
00:14:13 - Why Energy Consumption is Unpredictable
00:16:02 - The Big Flip: Training vs. Inference Energy Use
00:26:22 - What Does "Efficient AI" Actually Mean?
00:29:37 - Are Tech Companies Optimizing for Energy or Market Share?
00:36:20 - The Low-Hanging Fruit: Cutting AI Energy Use by 80%

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Energy vs Climate: How climate is changing our energy systemsBy Energy vs Climate | Produced by Amit Tandon & Bespoke Podcasts

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