(A Haphazard Athlete investigation)
Right. So this all started the way most of my problems do…
Googling. ( well and another office discussion)
Not about running.
Not about training.
Not even about whether I should’ve had that second packet of crisps (I should, obviously).
No, I asked:
“Does AI use water?”
And the answer, annoyingly, was:
Yes. Yes it does.
Wait… what?
Turns out every time I fire off a question, whether it’s about:
- dodgy van electrics
- a half-baked OU assignment
- or why my legs feel like overcooked spaghetti at Parkrun
…it’s being processed in some massive data centre somewhere.
And those places get hot.
Very hot.
So they use cooling systems.
And a lot of those systems use water.
So how much water have I used
This is where it gets a bit silly.
Some boffins worked out that:
one AI interaction ≈ half a millilitre of water
Half a millilitre.
That’s basically… a suspiciously small droplet.
But.
Because I basically treat AI/Google like a 24/7 life coach / therapist / mechanic / running buddy…
Let’s say I’ve fired off:
- 20–50 prompts a day
- for a full month
That gives us:
👉 0.3 to 0.75 litres of water
Which means…
Over the last month…
I’ve basically wasted a bottle of water by accident.
Not even a big one.
Not even one of those gym ones with inspirational nonsense written down the side.
Just… a normal bottle.
Perspective check (before we all panic)
Now before we all start running guilt intervals around the block:
- A single cup of coffee → ~140 litres
- A burger → ~2,000+ litres (another reason to be vegitarian)
- A shower → 50–100 litres
And me?
👉 A month of asking daft questions = less than one drink
🤔 So what’s the actual issue?
Here’s the serious bit (don’t worry, it won’t last long):
It’s not really about you or me. ( Me and You, sorry thats for our older viewers)
It’s about:
- millions of people
- billions of queries
- and massive Data Centres running constantly
That’s where the water use adds up.
Haphazard conclusion
So where does this leave us?
Well:
- I’m still going to ask stupid questions
- I’m still going to overthink my running pace
- and I’m definitely still going to Google things I could just ignore
But now I know…
👉 every question costs about a droplet
👉 every month costs about a bottle
👉 and somehow, that’s the least chaotic part of my training plan
Plot twist: not all that water is “gone”
Here’s where it gets slightly less doom-and-gloom.
Some data centres don’t just chuck water into the void.
They use something called closed-loop cooling systems.
Which is basically:
👉 the same water going round… and round… and round again
Like that one runner on Strava who just does laps of the same park.
In these systems:
- Water absorbs heat from servers
- Gets cooled down (often without being lost)
- Then goes straight back in to do the job again
So instead of constantly using fresh water, they’re recycling it internally.
…but not always
Other systems (especially older or cheaper ones) use evaporative cooling.
That’s the one where:
👉 water turns into vapour and disappears into the air
Which means:
- it leaves the system
- can’t be reused on-site
- and has to be replaced
So depending on the setup, AI is either:
- reusing water like a sensible adult
- or misting it into the sky like a fancy garden feature
What it means
Water on Earth doesn’t disappear, it just moves around in a loop: ( see I told you that Open University course wasnt a waste of time)
- Evaporation
Water turns into vapour (like in those data centres) - Condensation
Vapour forms clouds - Precipitation
Falls back down as rain - Collection
Ends up in rivers, lakes, oceans… and gets reused again
so back to AI
So when water in a data centre:
- evaporates into the air ☁️
- it’s not “gone forever”
👉 it’s just left the building and rejoined the global water cycle
🏃♂️ Haphazard translation
You didn’t “use up” water…
👉 You just borrowed it from the planet for a bit
The important Eco bit
Even though water stays in the cycle:
- It’s not always in the right place
- It’s not always clean or usable
- And it might take a long time to come back as rain somewhere useful
That’s why people still worry about water use
Water never disappears, it just moves… sometimes inconveniently far away.
Final thought
I’ve spent years trying to stay hydrated…
Turns out, somewhere out there,
a data centre is doing the same thing
just (sometimes) slightly more efficiently.
Stay Haphazard. 💥
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