In 1996, Chongqing’s per capita GDP was US$550. Twenty years later, it has grown 14 times to almost US$9,000, and the city has transitioned out of heavy industry: one in three laptops worldwide…

From Canada to Kenya, nearly every country struggles to provide housing for all its residents. It’s a goal that has become a moving target: Migration – both rural-to-urban and cross-border – is…