Cities of the Future – Megacities, Arcologies, and Floating Utopias

In tomorrow’s world, cities may rise into the clouds, dive beneath oceans, or float among the stars—join us as we journey through these radical urban frontiers. Watch my exclusive video Antimatter Propulsion: Harnessing the Power of Annihilation - https://nebula.tv/videos/isaacarthur-... Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isa... Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.   Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon:   / isaacarthur   Support us on Subscribestar: https://www.subscribestar.com/isaac-a... Facebook Group:   / 1583992725237264   Reddit:   / isaacarthur   Twitter:   / isaac_a_arthur   on Twitter and RT our future content. SFIA Discord Server:   / discord   Credits: Cities of the Future  Episode 498; May 8, 2025 Written, Produced & Narrated by: Isaac Arthur  Edited by: Briana Brownell & Thomas Owens Graphics: Bryan Versteeg, Ervin Oprea, Ken York YD Visual, Sergio Botero Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Chris Zabriskie, "Unfoldment, Revealment", "A New Day in a New Sector", "Wonder Cycle" Taras Harkavyi, "Alpha and..." Stellardrone, "Red Giant", "Billions and Billions" Chapters 0:00 Intro 1:16 The Growth of Cities 4:05 Urban Challenges & Opportunities 6:09 Vertical Cities & Arcologies 21:15 Space Scrapers & Space Towers 24:19 Subterranean Cities 26:26 Artificial Island Cities 28:05 Underwater Cities 29:29 Cities in the Sky 30:59 Space Habitats 33:56 Cities on Other Worlds