30 with Guyon Espiner

Johan Rockström 02.06.2026 32分

The climate catastrophe once dismissed as science fiction. Leading climate scientist, Johan Rockström, on the tipping points that would plunge Europe into an ice age while catapulting the southern hemisphere into an endless heatwave. Watch the full episode hereCould climate change trigger an ice age in Europe? On this episode of 30, world-leading climate scientist Johan Rockström explains the growing fears around the collapse of the AMOC, the Atlantic ocean circulation system, that helps regulate the planet’s climate. Rockström warns the world has now breached seven of nine planetary boundaries, and says we are approaching dangerous tipping points that could reshape life on Earth.30 with Guyon Espiner: long-form conversations with the world’s leading thinkers, scientists and changemakers.Go to this episode on rnz.co.nz for more details

Dame Therese Walsh 26.05.2026 31分

Dame Therese Walsh sits at the centre of some of New Zealand’s biggest business decisions chairing ASB Bank and Air NZ . In this episode she confronts the rise of AI and admits “there will be job displacement” as automation transforms banking, business and the public sector.Watch the full episode hereDame Therese Walsh sits at the centre of some of New Zealand’s biggest decisions chairing ASB Bank and Air New Zealand while advising on climate and economic policy.In this episode of 30 with Guyon Espiner, she confronts the rise of AI and admits “there will be job displacement” as automation transforms banking, business and the public sector.She also faces tough questions over Air New Zealand’s climate commitments, sustainable aviation fuel, inequality, homelessness, and whether Wellington is losing its mojo.A wide-ranging conversation about power, technology, climate change and the future of New Zealand.Go to this episode on rnz.co.nz for more details

Don McGlashan 09.12.2025 32分

A revealing conversation with one of our great songwriters. He opens up about the heartbreaking loss behind his song Andy . Plus his one regret about the night he told a minister to “shut up” at the Music Awards. Go to this episode on rnz.co.nz for more details

Anne Applebaum 02.12.2025 30分

"Ruled by thieves." From Putin to Trump, the global web of dictators stealing vast wealth and laundering it through the West is on the march.Go to this episode on rnz.co.nz for more details

Bill English 25.11.2025 31分

Sir Bill English weighs in on Chris Luxon’s performance and whether National should consider a new leader before the election. He also reflects on his years working with Te Pāti Māori, and why he barely recognises the party today.Go to this episode on rnz.co.nz for more details

Gary Stevenson 18.11.2025 30分

Gary Stevenson went from selling cannabis in East London to becoming Citibank's most profitable trader in the world. But in 2011, he realized something his wealthy colleagues couldn't see: rising inequality was going to crush ordinary families and bankrupt governments. Go to this episode on rnz.co.nz for more details

Chris Hipkins 11.11.2025 31分

Chris Hipkins on how he would bring real competition back to New Zealand and take on the monopolies. From capitalism “with a human face” to the politics of coalition, he opens up about how he'd lead a government of the left.Go to this episode on rnz.co.nz for more details

Agnès Callamard 04.11.2025 31分

Amnesty’s top official says New Zealand is losing its reputation as a human-rights leader and warns the governments “Trumpian accent” is being noticed internationally. She urges the government to rediscover the moral courage that once defined its nuclear-free and anti-apartheid stands.Watch the full episode hereGo to this episode on rnz.co.nz for more details

Kenneth Roth 25.06.2025 31分

Do Israel’s actions amount to genocide? Kenneth Roth has spent decades documenting human rights violations. He explains how genocide is defined—and whether it’s happening in Gaza. Plus, is Trump's power on the wane? Go to this episode on rnz.co.nz for more details

Scott Beard 17.06.2025 33分

Detective Inspector Scott Beard opens up about tackling child abuse, leading the Grace Millane case, and how tech is changing crime. Plus, why increased surveillance is taking its toll on homicide investigators, and the simple hand signal that could save a child's life..Go to this episode on rnz.co.nz for more details

Dame Julie Christie 10.06.2025 31分

Has reality TV crashed and burned in New Zealand? Reality Queen, Dame Julie Christie, on our troubled TV industry and the pros and cons of offering tax breaks for films made downunder. Watch the full episode hereGo to this episode on rnz.co.nz for more details

David Seymour S3 03.06.2025 31分

Deputy PM, David Seymour, on why he pushed pay equity reforms through so quickly. Plus, his reasons for introducing the Regulatory Standards Bill and why he thinks nearly all the submissions made against it were "fake."Watch the full episode hereGo to this episode on rnz.co.nz for more details

Geoffrey Hinton 27.05.2025 31分

Godfather of AI Geoffrey Hinton on the rapid rise of artificial intelligence and why he left Google to sound the alarm. Plus, his stark warning that already gives humanity a 10-20% chance of completely losing control to digital beings.Watch the video version of this episode hereGo to this episode on rnz.co.nz for more details

Chlöe Swarbrick 20.05.2025 31分

Guyon Espiner puts Chlöe Swarbrick on the spot over the Greens' alternative Budget. Plus, who's fuelling New Zealand's "culture wars" and what it would take for them to join forces with National?Watch the full episode hereGo to this episode on rnz.co.nz for more details

Graci Kim 13.05.2025 31分

Award-winning author Graci Kim on her canceled U.S. book tour amid Trump-era bans—and how Korean resilience and Kiwi optimism made her a New York Times bestsellerWatch the video version of this episode hereGo to this episode on rnz.co.nz for more details

Nigel Latta 06.05.2025 32分

Nigel Latta on which parenting fads drive him crazy, why he never posts pictures of his kids on social media, how optimism is a superpower and how he accidentally became a famous psychologistWatch the video version of this episode here Go to this episode on rnz.co.nz for more details

Malcolm Turnbull 29.04.2025 30分

Former Australian Prime Minister, Malcolm Turnbull, on the global ramifications of Trump's tariffs. Plus, why he was surprised at Winston Peters' decision to fire Phil Goff.Go to this episode on rnz.co.nz for more details

Stephen Scheeler 15.04.2025 31分

Former Facebook CEO, Stephen Scheeler, on how the Social media giant targets teens with low self esteem. Plus, his insights into Mark Zuckerberg and why he thinks "he's failed the test" when it comes to President Trump. Watch the video version of this episode hereGo to this episode on rnz.co.nz for more details

Eugene Ryder 08.04.2025 31分

Former Black Power member, Eugene Ryder, reveals to Guyon what really pushes young people into gang life. Plus, his crisis of conscience at receiving a King's Service Medal and why "By Māori For Māori" isn't the right approach.Watch the video version of this episode hereGo to this episode on rnz.co.nz for more details

Sam Neill 01.04.2025 31分

Actor, Sam Neill. tells Guyon what it was like to work with Stephen Spielberg and reveals his near death experience during the filming of Jurassic Park. Plus, he shares his candid thoughts on Jacinda Ardern’s leadership and explains why he feels sorry for Brad PittWatch the video version of this episode here. Go to this episode on rnz.co.nz for more details