It is all very simple. We know how much water is required per day
average per person. We know how much average rain falls in our
catchment, we know how much we can afford to supplement.
Divide it by the amount of water. If the result is too many people
make the excess leave, if not then you know by how many you can
increase the population.
You can apply that to other factors also.
Surely that is the fundamental calculation needed.

Previous governments built most of the countries infrastructure which logically proceeded housing development! Not following it as now which is responsible for all the bottlenecks and congestion. Adding trains to the mix is absurd unless there are far more adequate parking buildings at rail stops! And if properly conceived can straddle rail lines on crown land, so there is no obligation to purchase more land!

Critical infrastructure is mostly water and energy and endlessly deferred by those whose intellectual limitations can't proceed without foreign investment and foreign ownership or control. I mean when was the last power station built and by who? the last dam? The last pipeline?

We sell mountains o iron ore and coal but not so much steel, which could be made here from current iron and coal exports if our water and energy still be!onged to us. But like everything touched by the economic illiterates, squandered for rank political outcomes alone and more recently on steroids!

We need to once again become a nation that makes and build things! And we need a tax zonal system that move the jobs out to the regions and rural communities! And to that end, we need to transition away from coal and towards nuclear-powered microgrids! And deionisation dialysis desalination plants for guaranteed surety of both affordable energy and water at a local level.

If the jobs Schools and hospitals are out there then the commute can end or head the other way and with that change, population pressure ends. And enormously assisted by the endlessly deferred rapid rail!

What previous generations built and paid for with less manpower and money! We can also do if we stop parroting the risible rubbish that government has no business in business and needs to be rewritten as incompetents have no business in business!
Alan B.

And most of or pollies some of who have presided over outcomes, need to be gone and back where their obviously limited management skills suitable as Caretakers and abolition cleaners?.

Maybe they just don't care.
Ayame Tan,
You should put that to the billions of Africans, Asians & Central Americans whose children are starving & dying en-masse.

AyameTan,
Are you aware of what happens in the desert after it rains?

No, Individual. They do care. They're just duped by the Catholic Church.

https://www.bbc.co.uk/religion/religions/christianity/christianethics/contraception_1.shtml

"The Church forbids sex outside marriage, so its teachings about birth control should be understood in the context of husband and wife.

The Roman Catholic Church believes that using contraception is "intrinsically evil" in itself, regardless of the consequences. Catholics are only permitted to use natural methods of birth control.

But the Church does not condemn things like the pill or condoms in themselves. What is morally wrong is using such things with the intention of preventing conception. Using them for other purposes is fine - for example, using the pill to regulate the periods of a woman who is not in a sexual relationship is not wrong."

Bazz, it's about more than water. We need fertile soil to grow crops for the future, not just for today or this year.

Aidan, are you aware that rain is very rare in the desert? Are you going to wait for rain before you drink water?

AyameTan,
If it had more rain, it wouldn't be desert!
Have you failed to notice water can be piped?

And returning to your original comment, the one thing religious Australians have in common is the recognition that some things are more important than money.

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individual,
There aren't "billions of Africans, Asians & Central Americans whose children are starving & dying en-masse".