One recent UN report helps us chart this new course, in part by addressing one of the challenges Mr. Guterres noted: “More and more people are recognizing the limits of conventional yardsticks such as Gross Domestic Product, in which environmentally damaging activities count as economic positives.” The UN Development Programme’s Human Development Report began in 1990 “precisely as a counterpoint to myopic definitions of development,” as the 2020 report puts it. Specifically, it offers the Human Development Index (HDI) as an alternative to the GDP, one grounded in human rather tha...