Silicon Valley billionaires are battling local residents over plans to build a whole new city in California, part of a global trend of wealthy investors dreaming up cities from scratch. The San Francisco Chronicle’s J.K. Dineen and Sarah Moser from McGill’s New Cities Lab explain.This episode was produced by Avishay Artsy, edited by Matt Collette, fact-checked by Laura Bullard, engineered by Patrick Boyd, and hosted by Noel King.Transcript at vox.com/todayexplainedSupport Today, Explained by making a financial contribution to Vox! bit.ly/givepodcastsLearn more about your ad choices. Visit podcastchoices.com/adchoices