Per Square Mile
A blog about density.
Per Square Mile's Latest Posts
Having hopscotched my way across the continent, I’m heading back to San Francisco to see what's different about the city.
Rachel Feltman, writing for the Washington Post: According to a study published in Current Anthropology, our transition into modern civilization might have coincided with our species’ drop in testosterone. The hormone, associated with both biologically male characteristics and aggression, makes skulls grow those heavy brows we associate with our evolutionary ancestors. Lead author Robert Cieri, […]∞
Ron Nixon, reporting for the New York Times: Still, even if the California, Florida and Texas projects all succeed, transportation experts say it is unlikely that the United States will ever have the same kind of high-speed rail systems as China or Europe. C. William Ibbs, a professor of civil engineering at the University of […]∞
Brendon Slotterback has a nice rundown of the solar potential of Minneapolis, concluding that rooftop solar could produce nearly 20 percent of the city’s total demand. It’s a promising number, especially considering that the population density of cities reduces the potential for solar to meet 100 percent of demand. (Suburbs, on the other hand, with […]∞
Ewa Tuteja was inspired by an early infographic of mine and asked the question of Europe: How much land would the world’s population occupy if they lived at the densities of various famous cities. I’ll say this: Beijing is surprisingly sprawling. ∞∞
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