this post was submitted on 23 Nov 2024
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Fuck AI
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You do understand that the more expensive it gets, the less people can afford it, right? That's basically the same as running out. Sure, you can desalinate the whole ocean if you want to spend the resources on it. No one is suggesting that there will one day literally be no more fresh water within the foreseeable future. That doesn't really matter to the farmers in developing countries that can't afford to irrigate their fields and thus can't feed the people there.
And then there's the fact that desalination is a huge environmental disaster.
https://www.sciencenews.org/article/desalination-pours-more-toxic-brine-ocean-previously-thought
You know, all these arguments avoid answering the question about how much more expensive water could be. And I suspect the general answer is: not much. Mass producing fresh water is well understood process. It's also a potential source of sodium for sodium-ion batteries, cheaper alternative to lithium-ion.
I'm fully aware of that - what's missing there is proper regulation by local governments, preventing excess salinity of water dumped back to the ocean