A crash course in changing the world.
During my research period I found a technology from Worrell Water Technologies called Living Machine® wich uses living plants and beneficial microorganisms to turn wastewater into clean water. They claim that their systems produces cleaner water than others and that whey a zoo in the Netherlands implemented it, they reduced their water bills by 84%
This sistem is suitable for:
Even though it is to complex to be used in homes it is innovative, because it uses nature plants to clean water, certainly resembling how nature cleans water every day.
You can find more info here:
Here is a picture of how it works: