this post was submitted on 20 Apr 2025
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chapotraphouse

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[–] Dirt_Owl@hexbear.net 11 points 4 days ago* (last edited 4 days ago) (1 children)

Even if you assume somehow all the fresh water has disappeared

https://www.bbc.com/future/article/20170412-is-the-world-running-out-of-fresh-water

there's still solar-powered electrolysis to create hydrolox from sea water.

Hasen't that been abandoned for being too expensive/resource consuming?

[–] Xavienth@lemmygrad.ml 18 points 4 days ago (1 children)

It's not too expensive, it's just more expensive than getting hydrogen from fossil fuels, so the only reason you'd electrolyze hydrogen from water right now is if you're trying to be green.