Water footprints use of water water footprint Wikipedia: Water Use use of water https://en.wikipedia.org/wiki/Water_use water-use water footprint huella hídrica huella hídrica water footprint individual water footprint Water Footprint http://en.wikipedia.org/wiki/Water_use water-use water footprint petjada hídrica blue water footprint Uso del agua water-use Arjen Y. Hoekstra water footprint Water use - Wikipedia, the free encyclopedia use of water