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GZERO World Podcast
Is the clean energy revolution finally here? Over the past few years, the world has experienced a sudden and overwhelming surge in renewable energy installation and generation, outpacing even the most optimistic predictions from experts. This week on the GZERO World Podcast, Ian Bremmer talks to with Bill McKibben, an environmentalist and author, about the stakes and scale of the global energy transformation. His new book, "Here Comes the Sun," argues renewables aren’t just a climate fix—they’re a political and economic opportunity.
Costs from solar and wind have dropped so dramatically in the last 36 months that they’re now the cheapest way to produce electricity worldwide. And energy independence has become a national security issue amid so much global instability. But while China and Europe are pushing ahead in the race to power the future, the Trump administration is doubling down on fossil fuels. What happens if the US puts the brakes on clean energy, just as the rest of the world hits the gas? Or rather... plugs in the solar battery? Do we risk being left in the dark?
Subscribe to the GZERO World Podcast on Apple Podcasts, Spotify, Stitcher, or your preferred podcast platform, to receive new episodes as soon as they're publishedListen: Nearly 1 in 2 men and 1 in 3 women in the US will be diagnosed with cancer, and 1,700 people die from it every day. Disparities persist—Black women are 40% more likely to die of breast cancer than white women—and treatment costs remain crushing for many.
On the latest episode of the GZERO World podcast, Ian Bremmer talks with world-renowned cancer researcher and Pulitzer Prize-winning author Siddhartha Mukherjee about the future of medicine—and why artificial intelligence might finally tip the scales in the decades-long war on cancer.
Cancer remains the second leading cause of death in the US, killing nearly 1,700 people every day. But Mukherjee says AI is already reshaping the field, from radiology and diagnostics to identifying new carcinogens and designing entirely new cancer drugs. “Every time we do this in collaboration with a machine,” he explains, “the machine learns it, and it learns it forever.”
In a wide-ranging conversation, Mukherjee breaks down three major areas where AI is advancing medicine: patient care, data mining, and generative drug development. He also weighs in on early cancer detection, how inflammation may hold the key to understanding new carcinogens, and why this moment may be the most hopeful in half a century of cancer research.
Subscribe to the GZERO World Podcast on Apple Podcasts, Spotify, Stitcher, or your preferred podcast platform, to receive new episodes as soon as they're published
Listen: The number of people forced to flee their homes because of war, persecution, humanitarian disaster or political collapse topped 123 million people in 2024. That’s double what it was just 10 years ago. Yet just as the need has exploded, the global aid system is unraveling. On the GZERO World Podcast, David Miliband, president & CEO of the International Rescue Committee sits down with Ian Bremmer to discuss the growing crisis as the number of refugees continues to rise and the US, once the anchor of the global aid system, shuts down USAID and drastically pulls back foreign funding.
Miliband says we’re facing “a new abnormal,” with 275 million people facing humanitarian emergencies in 20 countries in crisis. The vast majority of displaced people are hosted in low and middle income countries, meaning the world’s poorest and most under-resourced places are shouldering a disproportionately high share of the burden. Miliband and Bremmer discuss the worsening humanitarian situation in places like Sudan and Gaza, the impact of US aid cuts, whether any nation or group of nations can fill the void, and where Miliband sees glimmers of hope amid so many intractable problems.
Subscribe to the GZERO World Podcast on Apple Podcasts, Spotify, Stitcher, or your preferred podcast platform, to receive new episodes as soon as they're publishedAfter nearly eight decades of on-again-off-again conflict, India and Pakistan neared the brink of all-out war last spring. The intense, four-day conflict was an unsettling reminder of the dangers of military escalation between two nuclear-armed adversaries. Though the ceasefire was reached and both sides claimed victory, Delhi and Islamabad are still on edge and tensions remain high. On the GZERO World Podcast, former Pakistani Foreign Minister Hina Khar joins Ian Bremmer to discuss Pakistan’s response to India’s strikes, which she believes were unjustified, and why Pakistan needs to defend itself from further aggression.
One fifth of the world’s population lives on the Indian subcontinent, and Khar says putting them at stake because of a political conflict is dangerous because “you do not know how quickly you can go up the escalation ladder.” Bremmer and Khar also discuss the US role in mediating the conflict with India, Pakistan’s domestic and economic challenges, its strategic partnership with China, and the dangers for global security if the world abandons a rules-based international order.
“As someone who was representing this country as foreign minister, I used to wonder, why were we reduced to eating grass to become a nuclear power?” Khar says, “And now, that is the only thing providing deterrence and security against a country which feels it can attack us anytime, any day.”
Subscribe to the GZERO World Podcast on Apple Podcasts, Spotify, Stitcher, or your preferred podcast platform, to receive new episodes as soon as they're publishedFrom lawsuits and executive orders to funding cuts tied to antisemitism claims, the Trump White House is targeting institutions like Harvard and Columbia in what Feldman calls an effort to undermine independent centers of truth. “Trump's gone after universities, he's gone after media, and he's going after courts,” Harvard Law professor Noah Feldman tells Ian Bremmer in the latest episode of the GZERO World podcast. “Each in its own way is an independent institutional voice telling people, ‘This is the way things are.’”
Feldman explains why this isn’t just about cancel culture or campus politics—it's about whether universities will remain places where truth is pursued freely, or "knuckle" under political pressure. He discusses Harvard’s legal fight with the administration, growing antisemitism on and off campus, and the deeper risks for American democracy if academic independence erodes.
Subscribe to the GZERO World Podcast on Apple Podcasts, Spotify, Stitcher, or your preferred podcast platform, to receive new episodes as soon as they're published
President Trump’s policies swiftly rewriting the rules of global trade. As the United States imposes tariffs on allies and adversaries alike, do we risk losing our edge? On the GZERO World Podcast, CNN’s Fareed Zakaria joins Ian Bremmer to discuss what happens when globalization’s biggest champion becomes its biggest critic. For the past 80 years, the United States has been the beating heart of the free trade movement, the country that forced all the other countries in the world to open their markets. But now, Washington is tearing up the economic playbook—levying historic tariffs and recasting the world as a high-stakes, winner-take-all, zero-sum game.
Zakaria says we are living through an age of backlash to 30 years of globalization and that the next 10 years will be a period of “slowbalization,” where we'll see a much slower pace of growth and a much more political economy. Bremmer and Zakaria break down America’s retreat from global leadership, shifting power dynamics between the US and China, European pressure to become more self-sufficient, and whether the Trump administration’s economic gamble is worth the risk.
“The United States has gone from the leading advocate of free trade to being the most protectionist advanced industrial country in the world,” Zakaria warns, “We’ve always invited competition from the world’s best. If we move to something else, I think we lose that edge.”
It’s been a banner stretch for President Trump: a major strike on Iran’s nuclear sites, a sprawling tax-and-spending bill pushed through Congress, and a growing foreign policy resume. But beneath the surface of all the flag-waving and victory laps, Democrats like Senator Mark Warner are warning that the real story is unfolding in the shadows—inside an increasingly politicized US intelligence community.
In this episode of the GZERO World podcast, Ian Bremmer sits down with the senior Senator from Virginia at his Capitol Hill office for a wide-ranging conversation about what’s breaking inside America’s national security institutions—and what that means for foreign policy decisions from Tehran to Gaza. Warner doesn’t hold back: “We’re in uncharted, dangerous territory. [Intelligence] Analysts are being told to change their conclusions—or lose their jobs.”
The two also dive into the fallout from the US-Israeli strikes on Iran, the fragile push for a Gaza ceasefire, and why Warner sees a largely ignored civil war in Sudan as one of the world’s worst ongoing humanitarian crises—and a rare opportunity for the US to lead.
Subscribe to the GZERO World Podcast on Apple Podcasts, Spotify, Stitcher, or your preferred podcast platform, to receive new episodes as soon as they're published