Planet Money

Sand. It's in buildings, windows, your cell phone. But there isn't enough in the world for everyone. And that's created a dangerous black market.Subscribe to Planet Money+ in Apple Podcasts or at plus.npr.org/planetmoneyTo manage podcast ad preferences, review the links below:See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy