UN Secretary-General António Guterres joins the show to talk about a fractured world and a perilous moment for his organization.

The world is in the midst of the fastest energy transition in human history. Environmentalist and author Bill McKibben joins Ian Bremmer to explain why renewables aren’t just a climate fix, they're an opportunity to reshape the future.

Ian Bremmer sits down with physician and author Siddhartha Mukherjee to explore how AI is revolutionizing cancer treatment and drug discovery.

David Miliband, IRC president & CEO, joins Ian Bremmer on the GZERO World podcast to discuss the worsening humanitarian crisis as the number of refugees and forcibly displaced people reaches record highs amid shrinking aid budgets and a pullback of US foreign aid.

Former Pakistani Foreign Minster Hina Khar joins Ian Bremmer on the GZERO World Podcast to discuss the intense, four-day conflict with India last spring, Pakistan’s perspective, and the dangers of rapidly escalating tensions between two nuclear-armed nations.

Harvard Law professor Noah Feldman unpacks the Trump administration’s legal and political escalations with elite US universities.

As the Trump administration imposes sky-high tariffs and renegotiates trade agreements, is America abandoning its role as global trade leader? CNN’s Fareed Zakaria joins Ian Bremmer on the GZERO World Podcast.

Creating artificial human retinas in zero gravity. Mining rare minerals on the moon. There seems to be no limit to what could be possible if we continue to take our more important industries to space. Join Mike Massimino and Mike Greenley on this episode of Next Giant Leap as they explore the industrialization of space. Dr. Joan Saary sheds light on the potential of designing medical treatments in microgravity and treating astronauts in orbit, and Dr. Gordon Osinski explains the exciting future of resource extraction on other planetary objects.

You might not know it, but you interact with space technology countless times on a daily basis. In fact, the space economy has become so ubiquitous that some estimate that its value could reach as high as $1.8 trillion by 2035. On this episode of Next Giant Leap, hosts Mike Massimino and Mike Greenley are joined by Alex MacDonald, former Chief Economist at NASA. They discuss the surprising history of private investment in the space industry, the many reasons for the current boom, and how you might get a job in the space world.

Ian Bremmer sits down with Virginia Senator and Senate Intelligence Chair Mark Warner to break down a successful summer for President Trump—and the urgent Democratic pushback building inside Washington

For many of us, the idea of a space-based arm of the military calls to mind images from science fiction. But the real-life world of space defense has become increasingly integral to military operations on land, at sea, and in the air. In this episode of Next Giant Leap, hosts Mike Massimino and Mike Greenley explore the world of space military technology. Guests Major General (Ret.) Kim Crider formerly of the United States Space Force, and Brigadier-General Chris Horner of the Canadian Space Division walk us through the many innovations in this fascinating arena, and attempt to answer one crucial question: how do you secure a domain with no borders?

Faith in the US nuclear umbrella is wavering and adversaries are stockpiling their arsenals. How worried should we be? Admiral James Stavridis joins Ian Bremmer on the GZERO World Podcast.

Over the last decade, the world of space exploration and innovation has exploded. On this episode of Next Giant Leap, season 2 hosts Mike Greenley, CEO of MDA Space, and Mike Massimino, Columbia Engineering professor and former NASA astronaut, take a look at the new space race with former Congresswoman Jane Harman and China expert Dean Cheng. They discuss the role of space in national security, the potential for space-based conflict, and the role of private space companies in this new era.

Welcome back to Next Giant Leap! This new podcast series is brought to you by GZERO Media and the Canadian space company MDA Space.

New York Times columnist Thomas Friedman unpacks Iran’s stunning defeat and what it means for the US, Israel, and Gaza.

What if the next virus isn’t natural, but deliberately engineered and used as a weapon? As geopolitical tensions rise and biological threats become more complex, health security and life sciences are emerging as critical pillars of national defense.

Small businesses are more than just corner shops and local services. They’re a driving force of economic growth, making up 90% of all businesses globally. As the global middle class rapidly expands, new opportunities are emerging for entrepreneurs to launch and grow small businesses. In this special edition podcast episode, the first of GZERO's “Local to global: The power of small business” series, host JJ Ramberg sits down with Shamina Singh, Founder and President of the Mastercard Center for Inclusive Growth, and Homi Kharas, Senior Fellow at Brookings Institution and Co-Founder of the World Data Lab.

Can the courts hold the line as President Trump tests the limits of executive power?

Ian Bremmer and Semafor’s Ben Smith discuss how the Trump-Musk alliance imploded so spectacularly (and publicly) and if their relationship can survive the fallout.

Tensions are rising on the Taiwan Strait. Could Beijing and Taipei be heading toward war?