No CODS, PZ is right - you're doing well and he's not taking the Mickey out of you (in fact, given the chance, he would put the mickey in you if you let him

).
Anyway. About 5 years ago - the Federal Government was thinking about spending $10 BILLION to 'replicate' the Irrigation Scheme of the Riverina - up in the Diamantina Region of northern Australia. After that - nothing much has been said or seen about it??
Arabs would 'tunnel' water vast distances with 'drop wells' every so often along them. It was a very clever innovation of transporting water, beyond the touch of the sun.
There are many different ideas and many do work.
But as of yet - the Australian Government is not going to spend big money on something that benefits the future of this country while the Aboriginals still lay claim over 'everything' (even Australia Day).
With a vast network of carefully planned 'Artery/Vein' Network of Water Canals/Pipes all around the nation. Maybe one day, the 'natural' waterways will be left alone to become 'crystal clear' again?
Driving Taxi. I had to take a passenger from the Airport a good 30mins away. He just happened to be extremely 'high up' in the Water Management of the Country and travelled this country far and wide.
He did agree with me on one point: Farmers allowing 'hoofed' stock to trample the waterway edges and ruin the quality of the waterway.
There should be a 50-100m wide 'restriction zone' along every waterway from Farming. Just like there is with Sydney's water supply for quality reasons.