They pump it out of aquifers then when done it goes down the drain to be processed and inevitably evaporated. The problem is we are pumping it out faster than it can naturally the aquifers. This causes long term environmental damage and at some point the aquifer will fail and no longer regenerate.
If you are a guy then its an easy measurement. Make an o with your finger and thumb the girth of your erect dick. That's your dick width of pasta serving. No more. No less!
Just keep reading it until it makes sense. Giving up is for pussies.