Fascinating work. It is rare to see utilities, GPU design, and data center operations treated as one continuous system. The same logic applies to water. Every megawatt of AI capacity carries an upstream water footprint, not only in cooling but in the fuels, batteries, and electrolysis that make power stabilization possible.
According to the GHG Protocol Scope 3 guidance, those upstream impacts including extraction, production, and transport of fuels used to generate electricity fall within Category 3. Hydrogen generation, rack-level storage, and transformer cooling fluids all sit inside that indirect system boundary.
As AI workloads ramp from near idle to full load in seconds, both electrons and water molecules respond. Training surges destabilize grid frequencies in the 0.1 to 20 hertz range, while inference creates continuous distributed energy demand that reshapes regional water and power baselines. Together they form a single feedback loop where training drives volatility and inference drives persistence.
I would like to see Microsoft extend this research into a full Scope 3 framework that quantifies not just CO2e but water use intensity per megawatt ramp rate. Stabilization hardware, hydrogen production, and cooling integration all influence that number. Connecting grid safety with verified water accounting could establish a credible global benchmark for sustainable AI infrastructure.
(Reference: Scope3WaterFootprint on my LinkedIn in/ajacobi)