Why does some coastal cities/counties have a problem of lacking drinking water?

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Like California and South Africa, isn’t the principle of water distillation relatively easy? evaporating from one end and cooling it from the other so that it becomes liquid again, leaving all the salt and pollutants behind.

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Anonymous 0 Comments

Desalinating water requires A LOT of energy so it is very expensive. The natural water cycle does this on its own without the need for any human input. Therefore it will always be  much cheaper to use a naturally occuring source of fresh water than to desalinate water ourselves.

So yes, you can make fresh water but it’s going to be dozens of even hundreds of times more expensive between buying and maintaining the equipment and energy costs.

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