Heather Horn is an associate editor at The Atlantic. She is a former features editor and staff writer for The Atlantic Wire, and was previously a research assistant at the Carnegie Endowment for International Peace.
Anthropologist Robin Nagle on the vital, hidden, and arcane sanitation system that enables cities to function.
Such a big deal, in fact, that the country has designated October 18 as its national day of celebration.
The Inequality of Urban Tree Cover