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Thousands of new cities are needed to house the increasing global population – projected to reach 10bn by 2060. From China’s planned Jing-Jin-Ji hypercity to African techno hubs and sprawling refugee camps.
At present we share our planet with some 7.5 billion other human beings, and as swollen as that number may already sound, it is projected to hit 10 billion before levelling off sometime around the middle of the century.
Global population may never scale the vertiginous peaks foreseen in the panicky neo-Malthusian literature of the mid-20th century, chiefly Paul and Anne Ehrlich’s famous jeremiad of 1968, The Population Bomb. Nor will overpopulation’s effects, as they fold back against the cities of the global north, much resemble the apocalyptic depictions in the era’s pop culture; 1973’s Soylent Green, for example, opens with a title card informing the viewer that 40 million souls reside in the smog-choked New York City of 2022, and that seems more than a little hard to imagine now. But neither is it a state of affairs one can dismiss casually. Every last one of those 10 billion human beings is going to need a place to live.
And wherever that place should happen to be, it won’t be in the cities we’re presently familiar with. However trendy “urban infill” and densification may be in our faculties of architecture, polities in the developed world are no longer willing to countenance the kind of conditions that inevitably result when hundreds of thousands of human bodies are packed into every square mile. The residential housing densities of New York’s Lower East Side circa 1905, for example, among the highest ever recorded, were achieved by housing two or three families in each (smallish) room. This is precisely the kind of overcrowding the entire Modernist movement in architecture was set up to design out of urban settlement. […]