5 ms·

I mean, sure, but never in enough volumes to be actually usable by us. It’s not like we can capture every single evaporated water droplet before it cools to for

I mean, sure, but never in enough volumes to be actually usable by us. It’s not like we can capture every single evaporated water droplet before it cools to form fresh water. So while technically it happens all the time, practically it’s as if it isn’t happening at all when it comes to the concerns talked about here, specifically the quantity of available fresh water declining.

spenczar5 3y ago
I think you are quite wrong about that. The evaporated ocean water becomes rain. Evaporated ocean water is the source of over 80% of all rain on earth.
- mynameisvlad 3y ago
  And most of that rain is going to go into the ocean again. Or be distributed in a large area. Neither of which can really be captured in any sort of predictable and scalable manner. You know, unless we build a massive “roof” of devices to capture all that rain. Literally covering the entire planet. At that point yeah it would dev a reasonable thing to bring up in the context of fresh water reserves falling. So I very much stand by the point that while, sure, it happens all the time, that does nothing to actually help with the topic at hand.
  - 1234letshaveatw 3y ago
    The rain can be captured by farms.
    - mynameisvlad 3y ago
      > in any sort of predictable and scalable manner. How? Rain is not predictable at the scale of a crop season. Rain is not scalable, it’s extremely localized. Rain happens, and when it does your crops get watered, but you can’t in any way shape or form rely on that.
- NineStarPoint 3y ago
  About 80% of that rain happens back over the ocean, and then about 25% of the rain that happens over land actually gets captured as ground water. Even that isn’t the main point though, the issue is we’re currently using water faster than rain replenishes it in many places. At worst as I understand it, in some places they’ve collapsed their aquifers by over-pulling from them, and that means less of the rainfall in those areas will be recoverable in the future. At some point we have to enter a mode where we only pull water in a way that is sustainable or we’ll suddenly find that we do indeed need desalinization to keep up with our use.
NotYourLawyer 3y ago
This is where essentially all freshwater comes from.
- mynameisvlad 3y ago
  That’s great and all but how does that help with the issue of that freshwater being depleted? Which is the topic at hand.
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spenczar5 3y ago

I think you are quite wrong about that. The evaporated ocean water becomes rain. Evaporated ocean water is the source of over 80% of all rain on earth.

mynameisvlad 3y ago
And most of that rain is going to go into the ocean again. Or be distributed in a large area. Neither of which can really be captured in any sort of predictable and scalable manner. You know, unless we build a massive “roof” of devices to capture all that rain. Literally covering the entire planet. At that point yeah it would dev a reasonable thing to bring up in the context of fresh water reserves falling. So I very much stand by the point that while, sure, it happens all the time, that does nothing to actually help with the topic at hand.
- 1234letshaveatw 3y ago
  The rain can be captured by farms.
  - mynameisvlad 3y ago
    > in any sort of predictable and scalable manner. How? Rain is not predictable at the scale of a crop season. Rain is not scalable, it’s extremely localized. Rain happens, and when it does your crops get watered, but you can’t in any way shape or form rely on that.
NineStarPoint 3y ago
About 80% of that rain happens back over the ocean, and then about 25% of the rain that happens over land actually gets captured as ground water. Even that isn’t the main point though, the issue is we’re currently using water faster than rain replenishes it in many places. At worst as I understand it, in some places they’ve collapsed their aquifers by over-pulling from them, and that means less of the rainfall in those areas will be recoverable in the future. At some point we have to enter a mode where we only pull water in a way that is sustainable or we’ll suddenly find that we do indeed need desalinization to keep up with our use.

NotYourLawyer 3y ago

This is where essentially all freshwater comes from.

mynameisvlad 3y ago
That’s great and all but how does that help with the issue of that freshwater being depleted? Which is the topic at hand.
- NotYourLawyer 3y ago
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