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Renewable energy and the case for climate optimism with Bill McKibben
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 published
Will Trump's energy policies set back climate progress?
President Trump has made no secret of his distaste for wind and solar and preference for fossil fuels. His administration has canceled subsidies for renewable projects, lifted drilling restrictions on federal land, and is pressuring allies to buy more American oil and gas. On Ian Explains, Ian Bremmer breaks down the reality of the energy transition and whether US policies will slow down global progress in moving toward a renewable future.
No matter what the White House says, the incentives for renewables are hard to ignore. From Texas to Saudi Arabia, India to China, governments all over the world are embracing solar and wind not just for the planet, but for economic and security reasons. Clean energy is now the cheapest power source almost everywhere. And, amid rising instability, energy independence has become a safety and security issue. You can’t embargo the sun. No one controls the wind. Fossil fuels still matter, but the question is no longer if the world will transition. It's how fast.
GZERO World with Ian Bremmer, the award-winning weekly global affairs series, airs nationwide on US public television stations (check local listings).
New digital episodes of GZERO World are released every Monday on YouTube. Don't miss an episode: subscribe to GZERO's YouTube channel and turn on notifications (🔔). GZERO World with Ian Bremmer airs on US public television weekly - check local listings.
How AI will revolutionize medicine with Siddhartha Mukherjee
Listen: 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
The rise of impunity–and its human cost
What happens when global norms collapse and no one is left to enforce them? On GZERO World with Ian Bremmer, International Rescue Committee president and CEO David Miliband warns that we are living through what he calls an “Age of Impunity,” where power is exercised without accountability, and civilians in conflict zones from Syria to Ukraine to Gaza are paying the price. “The Age of Impunity is becoming the Age of Cruelty,” Miliband says, as rights guaranteed under international law are ignored and no one is holding the powerful to account.
Miliband highlights findings from the Atlas of Impunity, an annual index published by the Eurasia Group, that tracks accountability across 170 countries. The data shows not only extreme cases of impunity in war-torn regions but also surprising results in advanced democracies like Canada, the US, and Nordic countries. Still, there are some signs of progress. For Miliband, the challenge is clear: it will take a massive push from governments, civil society, brave civilians, journalists and human rights advocates to reverse the retreat of accountability and uphold basic principles of human rights.
GZERO World with Ian Bremmer, the award-winning weekly global affairs series, airs nationwide on US public television stations (check local listings).
New digital episodes of GZERO World are released every Monday on YouTube. Don't miss an episode: subscribe to GZERO's YouTube channel and turn on notifications (🔔). GZERO World with Ian Bremmer airs on US public television weekly - check local listings.
What (or who) will replace USAID?
As Washington pulls back from its decades-long role as the world’s leading aid donor, the humanitarian system is facing what David Miliband calls a “very big shock.” On GZERO World, the International Rescue Committee president and CEO tells Ian Bremmer that the US has historically been the anchor of the global aid system, contributing nearly $4 out of every $10 aid dollar. But amid the cancellation of USAID and a dramatic pullback in foreign funding, vital programs are now closing and the impacts are being felt all over the world.
Who–or what–could step in to fill the gap? Miliband says China isn’t interested in large-scale humanitarian aid, focused instead on economic development though initiatives like Belt and Road. Europe, meanwhile, is stretched thin by war in Ukraine and pandemic debt. The Gulf States and Japan are debating their role, but the scale of US funding remains unmatched. The result, Miliband argues, is “sucking sound” of money leaving the system, leaving the world’s poorest to pay the price.
“The US was the anchor of the global aid system,” Miliband explains, “When you pull an anchor in choppy waters, the boat rocks and the passengers get seasick. That’s what’s happening at the moment.”
GZERO World with Ian Bremmer, the award-winning weekly global affairs series, airs nationwide on US public television stations (check local listings).
New digital episodes of GZERO World are released every Monday on YouTube. Don't miss an episode: subscribe to GZERO's YouTube channel and turn on notifications (🔔). GZERO World with Ian Bremmer airs on US public television weekly - check local listings.
Is American capitalism still capitalism?
Ian explains why “free market capitalism” looks very different today than in decades past. Recent news that the US government is taking a 10% equity stake in Intel is just one example of Washington moving toward a more state-driven economic model.
While government subsidies for strategic industries like semiconductors may make sense, Ian warns that other industrial policies, like trying to re-shore large-scale manufacturing, risk being backward looking. Ian also argues that much of what passes for capitalism in the US is really oligarchy: corporations using lobbying to secure entrenched advantages and offloading the costs of their business models onto the public.
Meanwhile, China has thrived with state capitalism for 50 years, and the US is increasingly trying to compete by playing the same game. But Ian raises concerns that America’s short political cycles and policy whiplash make it poorly suited for long-term state-led planning, and that the benefits often flow disproportionately to the wealthy.
The bottom line: Ian believes the US needs more capitalism, not less, but it has to be, “capitalism that runs in a competitive environment, where no one gets to capture the political process, and where losses are seen as responsibilities of corporations, just as profits are.”
The global refugee crisis is at breaking point
The global refugee population is at historic highs, driven by war in Ukraine, violence in Sudan, state collapse in Venezuela, Taliban rule in Afghanistan, and a worsening humanitarian disaster in Gaza. On GZERO World, David Miliband, president & CEO of the International Rescue Committee joins Ian Bremmer to discuss the refugee crisis, the rise of forcibly displaced people around the world, and the crumbling humanitarian aid system amid the cancellation of USAID. What happens when the poorest countries are left to solve the hardest problems? And who–if anyone–is stepping up to help?
Miliband says that in 20 countries in crisis, there are more than 275 million people in humanitarian need, people that depend on international aid and organizations like the IRC to survive. There have been some recent positive developments—hundreds of thousands of refugees returning to Syria after the fall of the Assad regime, the potential for progress in the Eastern DRC, new technologies improving aid delivery. Still, Miliband says the world is facing a humanitarian crisis of historic proportions and unless the international community steps up, tens of millions will suffer.
“We face a new abnormal. 10 years ago, there were 50 to 60 million internally displaced people and refugees. Now, there's 120 million,” Miliband says, “The scale of impunity, the loss of international engagement is epic.”
GZERO World with Ian Bremmer, the award-winning weekly global affairs series, airs nationwide on US public television stations (check local listings).
New digital episodes of GZERO World are released every Monday on YouTube.Don't miss an episode: subscribe to GZERO's YouTube channel and turn on notifications (🔔). GZERO World with Ian Bremmer airs on US public television weekly - check local listings.
Rethinking the refugee crisis and global aid system, with David Miliband
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 published