Water, not global warming, is likely to be the greatest environmental challenge facing the world in the coming decades and centuries. Water will be the next large investment industry as without water there is no life. Water will become the ultimate nanotechnology and thus one of the most lucrative and viable sectors for future investment. Large engineering projects will rely on new water systems for transport and storage, and if the issue is running out of water because of a drought, then we have our work cut out for us and we need to make some changes fast, don’t we? With increased demand places of municipal water utilities each household, although they may install more water efficient fixtures, they are still drawing upon more water by and large.