It is calculated by adding the direct water use by people and their indirect water use. California is a coastal state in western USA. It has deserts inland to the east, but there is usually plenty ...

So, visualizing indirect water use, we should create a scenario for a sustainable regional / global water cycle system. Regarding domestic, there is the problem about aging of the water infrastructure ...

It is upon us to ensure frugal use (‘Watch water footprints if you want to thirst no more,’ March 25). ‘Water footprint’ is an indicator of direct or indirect water use by an individual ...