Infrastructure Archive

The extraordinary demographic change currently sweeping Africa is one of the most important challenges facing humankind over the remainder of this century. United Nations projections predict that from its present population of nearly 1.4 billion people, the continent’s population will approach 4.5 billion people by 2100, which is the staggering equivalent in population terms of two Chinas and one India. Other carefully considered efforts to project global population trends, such as a recent study published in the Lancet, predict an even larger African population two generations hence. Demographic growth on such a scale will affect nearly every human question one […]

Ever since the first cities emerged as a form of human settlement, urbanites have pondered their future. Plato’s “Republic,” written 2,400 years ago and still read on college campuses today, put forth a vision of Kallipolis, a beautiful “just” city-state run by a philosopher king who prioritized the “power of knowledge,” but who nevertheless resembles a benevolent dictator. A millennium and a half later, Thomas More’s landmark “Utopia” imagined a peaceful island metropolis where citizens would share goods and meals, learn a given trade and worship freely—albeit while also enslaving people, though many believe the inclusion of slavery was more ironic […]