2008 may be remembered as the year in which China hosted the Olympic Games but is also an auspicious year for another reason. 2008 is the first year in which the population of the planet will be more urban than rural. (Apparently this change occurred May 23rd 2008!). That’s an important turning point and if we are to increasingly live in cities, this of course means that we need to have means of sustainably meeting demands on water use in these cities.
This technological innovation is likely to take place in small start-up companies. Commenting on this in his article Inventing Water’s Future, William Pentland, noted that in purchasing Zenon Membranes for $700M, GE is effectively outsourcing their innovation in clean technology to small start-ups.
Some venture capital firms, like Toronto’s XPV Capital have placed big bets on this and are choosing to invest in innovative water start ups on the assumption that they will be future targets for ‘Big Water’ industry giants like GE Veolia, Siemens etc as scarcity, climate change and energy prices increase the value of water. In fact overall the amount of money invested in water and wastewater technologies in the U.S. rose 436% between 2006 and 2007, according to the Cleantech Group,