Alongside living changes involving multi-generational families, there are ingenious models for intergenerational living cropping up around the globe under the umbrella of Homeshare.
Social and economic change to the nature of work is changing the shape of employment decisions and has forever changed the nature of the commute.
Planning by all authorities would be greatly enhanced if the Commonwealth set out a population policy, in discussion with other parties and the Australian people.
The reality for a majority will be ongoing dependence on the aged pension and insufficient government or non-profit places to accommodate them.
Many of the droughts that Australia faces aren't really water droughts, but more infrastructure droughts, or dam droughts.
It might be interesting to see how Australia might look by the year 2100, compared with some of our major trading partners or world powers.
And the investors who could lose out will be busy looking for anyone else to blame but themselves.
Today's millennials by contrast, when it comes their turn to find a retirement living or aged care product, may not have the assets to fund their lengthy senior years.
Building more roads in Australia's increasingly dense cities won't reduce peak hour congestion; induced traffic will fill up any new road capacity sooner rather than later.
How do you finance new state infrastructure when you have taken the pledge not to use debt or increased taxes?
Aren't buyers the best judge of whether they are getting enough light into their unit?
The proposition in the latest crop of metropolitan strategy plans that 50 percent or more of future housing development can be accommodated in existing suburban areas of the major cities is patently ridiculous.