In the 1910s, US cities began enacting policies that would shape neighborhoods and, unintentionally, lay the roots for the severe housing shortage today: single-family zoning laws. Zoning laws, at their most basic, follow a simple concept. In one part of town, only factories can be built. In another section of town, only apartment buildings can be built. And in a different part of town, only single-family houses can be built. Single-family zoning laws are unknown to most Americans, but they were instrumental to the expansion of urban areas and the suburban ideal of owning a home with a front porch and backyard on a half-acre plot of land post-World War II. But that dream always had a threat implicit, for those who viewed it that way. Your house could be your dream home, but could that dream come to an end if someone built a factory right next door? And if you tried to sell your house, who would buy it? Any pollution or noise could easily drift over to your house, and selling and moving someplace new could seem nearly impossible. Read more...