In Denver’s early days, there were few rules about what had to go where in the city. “You could be living right next door to a place that was vulcanizing tires, for example, or a smelter or where you're rendering fat from chickens or cows,” said Mandy Rees, a Lecturer and PhD student in the Geography and Environmental Sciences department who’s studying the city’s zoning history.

Gov. Jared Polis thinks density is the magic bullet for high housing costs. Is he right?
CPR, March 31