We’re living in a strange moment. According to the columnist Thomas L. Friedman, it’s a completely new era, called the Polycene — one in which everything moves faster and science, technology and politics are more connected than ever. The columnist David Brooks sits down with Friedman to make sense of what the modern world’s cascading crises mean for the future.

Thoughts? Email us at [email protected].

This episode of “The Opinions” was produced by Derek Arthur. It was edited by Alison Bruzek and Kaari Pitkin. Mixing by Carole Sabouraud. Original music by Sonia Herrero and Carole Sabouraud. Fact-checking by Mary Marge Locker. Audience strategy by Shannon Busta and Kristina Samulewski. The director of Opinion Audio is Annie-Rose Strasser.