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Victorian Premier, John Brumby is fond of saying this:
Our Government is committed to
Victoria’s Desalination Project
because we must deliver a solution
that is not rainfall dependent
in an era of climate change.
I find such a statement little short of amazing and believe that this goes to the heart of poor public policy and decision-making with regard to water.
Has John Brumby never heard of the hydrological or water cycle? Perhaps he should take a look at the diagram above...and just so he understands the word "precipitation" is another word for "rainfall".
This planet has had, does have, and will continue to have a hydrological cycle of which rainfall forms an integral part. However, humanity - at least modern western humanity - interferes so much in the cycle. We cover the earth with asphalt, concrete, bitumen, houses, skyscrapers, paving and keep the water from penetrating the earth and prevent the earth from carrying out its capillary action of distributing the water. That is just a part of the whole integrated story. As this scientist says: