Griffith Hack Clean & Sustainable Technologies


Water shortage means energy crunch by Justin Blows
September 29, 2010, 7:50 am
Filed under: Feature

According to this report, energy production is the second biggest user of water after agriculture in the US – and this is probably roughly right for many other countries like Australia. Given that we are running out of water, it doesn’t take much imagination to realise that energy security is going to decline with rising demands for water

Interestingly, the report suggests that biofuel production and geosequestration – often seen as clean technologies – are such veracious consumers of water it is unlikely that their use will be sustainable. Wind and solar are mentioned as technologies that typically require very low water use, and thus their use would boast energy security. I am not sure if they include solar thermal technologies, which often need large amounts of water for cooling.

Justin Blows

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