Future of Earth's Fresh Water

[FutureEarth]

What is your opinion of this ad? The potential future of earth's natural resources (more specifically, water). Is this our future? What can we do now or is there anything we can do now to stop this?

 

[Mars]

The more huge countries grow, in economical terms, the more the natural resources are destined to end, pretty soon unfortunately. I think something big will happen within this and the next generations. I don't know what exactly, but something'll happen... and it won't be good.