The concept of the water footprint will be examined in this Space Bite lecture. Through different examples of water challenges worldwide, we get a glimpse of the multi-stakeholder management of our most precious resources. This century will be about technological advances to access more water from unconventional sources such as sunshine and seawater. What does it take to bring such a new technology to the water sector? And will it ever be possible to move from water scarcity to abundance?

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