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this post was submitted on 04 Aug 2025
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No Stupid Questions
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What I don't get is how the water is "consumed", it's not like it's gone right? It evaporates and then just comes back down as rain surely?
Same with water consumption of a sweater or a steak.
There probably is some good reason for measuring it like that but conceptually I don't get it.
Even though there is loads and loads of water on the planet, the amount of fresh/drinkable/usable/accessible water is tiny. This water evaporates and rains back down, but this will most likely fall over the ocean, or on land and go into the ground, or into some other unusable area/form.
Water suitable for human use is a scarce commodity and needs to be preserved. Of all the water lost to the atmosphere from server cooling systems, almost none of it can be recaptured again.
Hadley cells bring them inland does it not where it condenses and rains flowing back towards the ocean where it again evaporates and travels inland rains and goes back to the ocean.
Just cause you use water in one place doesn't mean it'll come back in the same place.
It does though doesn't it
I mean eventually yeah, but not fast enough for you to keep using it that way.
Especially now that air holds more moisture since rising temperatures keep the atmosphere warmer and rain is less frequent.
This is the complicated part with water consumption, saving water in the Netherlands won't make rain in Morroco.
However, there is only so many rain water stored in the ground at a given time and brought by the rivers. This water need to be used mostly for agriculture, then human consumption, and finally industry. Once it's back in the cloud we don't fully know where it will fall again, let alone if it's polluted.
Sure it's a renewable ressource, the problem start when you the water faster than the rate at which it renews, especially during summer. In Europe the problem will be even worse with the global warming. The alpine glacier are disappearing meaning that we'll loose a major water reserve for summer
Most people are not directly collecting rain to drink.
Yea we are