> Why there isnt some "not sexy" statup that provides technology to build artificial lakes / water reservoirs?
The technology already exists. Bulldozer, excavator, concrete, explosives. Not not-sexy enough for you?
> Just patch them in random places to collect water,
Not sure what "patch" means here, but water is becoming increasingly regulated, and in a lot of places you can't just randomly build lakes and dam water even on property you own.
> plant some trees and it should help. Make it in a way that it just requires a small plot of land, so a group of people can acquire the plot, or even better - force the muncipiality to provide one.
Should help with what? I feel I'm missing the context you're replying to.
THIS. And it's regulated (though often under-regulated) for damn good reasons. Properly designing even a "little" dam is far more difficult that most people appreciate. And both construction and upkeep (which is necessary, forever) are really expensive. Maybe start reading here: https://practical.engineering/blog/2021/10/14/what-really-ha...
The technology already exists. Bulldozer, excavator, concrete, explosives. Not not-sexy enough for you?
> Just patch them in random places to collect water,
Not sure what "patch" means here, but water is becoming increasingly regulated, and in a lot of places you can't just randomly build lakes and dam water even on property you own.
> plant some trees and it should help. Make it in a way that it just requires a small plot of land, so a group of people can acquire the plot, or even better - force the muncipiality to provide one.
Should help with what? I feel I'm missing the context you're replying to.