Earth's population is under one billion people and suffers from a shortage of habitable land.
On every bit of habitable land, someone had thrown up a jury-rigged shack.
It's reasonable to assume that a reversal would alter the pattern of habitable land.
Therefore the population density of the habitable land in Canada can be modest to high depending on the region.
However, University Drive was the western edge of habitable land for residents.
Buildings were restricted to tiny patches of habitable land.
The amount of habitable land was small, although destined to get larger.
The earth is divided into three parts, habitable land, desert, and sea.
Her father said: "It's really not a habitable land."
From our human point of view the mountains and sea are for the habitable lands that lie between.