Other sources indicate the absolute minimum to be 2 acres, including all the resources a family would need including firewood and animal pasture. Other sources state 1.2 acres.
How many people can live here, on earth? There is a finite number, even if every patch was turned to production, and we lived in tiny tree houses in our cultivated orchards. This number would not include the wondrous complexity of wildlife and non-human creatures. I do not seek the argument of Malthus. I seek instead to create a new dialog about how we build.
Zoning, itself, is only about a hundred years old.
Grocery stores, as we know them, are far less than a hundred.
Cars as mass transportation tools are not centenarians.
Our cities as we are designing them currently are so young.
We still have time to save ourselves from the worst of our imaginary constructions, our collective inability to see beyond what is delivered to us by tax revenue and corporate shells.