Is the end of the world nigh, or just the end of the world as we know it? Are we set to doom-scroll our way to apocalypse? Or is this the moment we wake up to ourselves, change course, and save the planet? Don't miss this hilarious battle of brains and bravado when two teams join Big Ideas' host and science journalist Natasha Mitchell at Hobart City Hall for the annual Beaker Street Festival Great Debate. Have our multi-crises of climate change, over-consumption, over-reliance on vulnerable technologies, and [insert your favourite impending disaster here] finally brought us to the brink? Or do we just love a good challenge, the hairier and scarier the better!? You decide the winner. Your life could depend on it.

TEAM AFFIRMATIVE - The Three Horsewomen of the Apocalypse

Dr Esmé Louise James (Team Captain)Sex historian and TikTok star Host of the Kinky History podcast and Sextistic showsAuthor of Kinky History: A Rollicking Journey Through Our Sexual Past, Present, and Future (2024)Kitana MansellProud Palawa womanBusiness Development Manager of Tasmania's first Aboriginal native food business Palawa Kipli

Dr Kate BoothHuman geographer and Associate Professor in Urban & Regional PlanningLeader of the Critical Collapse Studies research program.University of Tasmania

TEAM NEGATIVE - The Transformers

Hannah Moloney (Team Captain)Tasmanian host of Gardening Australia on ABC TVCreator of Good Life PermacultureAuthor of Good Life Growing: How to Grow Fruit and Veg Anywhere in Australia (2023) and The Good Life: How To Grow A Better World (2025)

Toby Walsh Scientia Professor of Artificial IntelligenceChief Scientist, UNSW.AI Institute, University of NSWAuthor of The Shortest History of AI (2025), Machines Behaving Badly: The Morality of AI (2022), Faking It: Artificial Intelligence in a Human World (2023)

Gretta PeclProfessor of marine ecology, Institute for Marine and Antarctic Studies (IMAS), University of TasmaniaDirector of the Centre of Marine SocioecologyA lead author for the Intergovernmental Panel on Climate Change (IPCC) reports

Thanks to Dr Margo Adler, Executive Director of the Beaker St Festival: a week long celebration of science and art in Nipaluna/Hobart each August.

Thanks to the house band Stevie and the Bunsen Burners and the whole festival team.

Machines Behaving Badly

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