
The provided sources, consisting of excerpts from a study guide and an audio transcript of the “Messy City Podcast with Nolan Gray,” offer a comprehensive critique of traditional American zoning laws. The central argument, championed by planner Nolan Gray, is that zoning is a suboptimal and often arbitrary system, rooted in the Standard Zoning Enabling Act of the 1920s, which led to a surprising uniformity in land use rules across the country. The discussion contrasts typical highly restrictive and discretionary zoning with the unique approach of Houston, Texas, the only major American city to repeatedly reject a comprehensive zoning code. Houston’s system, relying heavily on private deed restrictions with sunset clauses, is presented as a counter-example that promotes greater affordability and infill development. Ultimately, the sources examine the challenges to reform