The climate crisis is causing an invisible health crisis. The number one cause of neurodegenerative disease is the environment. And our environment is changing—releasing bacteria, neurotoxins and pathogens into our warming world which can change the very matter in our brains.Clayton Aldern is a neuroscientist and environmental reporter at Grist. In his 2024 book, The Weight of Nature: How a Changing Climate Changes Our Brains, Clayton revealed how the climate crisis intersects with our psychological, mental and brain health, warning that this health crisis, if left untreated, could upturn our lives. In this astounding episode, he walks through the different ways climate intersects with brain health, revealing the increased risk of a number of different diseases, what triggers them, and the absolute failure of policy-makers to address it. We discuss stress, violence, aggression, and using our bodies as an empathetic tool to understand the pain of others, with Clayton painting an optimistic picture about the power of story-telling to change the world. Planet: Critical investigates why the world is in crisis. Join subscribers from 186 countries to support independent journalism. This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit planetcritical.substack.com
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Planet: Critical is the podcast for a world in crisis. We face severe climate, energy, economic and political breakdown. Journalist Rachel Donald interviews those confronting the crisis, revealing what's really going on—and what needs to be done. planetcritical.substack.com
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Folge vom 18.09.2025How the Eco-Crisis is Changing Our Brains | Clayton Aldern
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Folge vom 11.09.2025Beyond Paradox | Iain McGilchrist“There is nothing either good or bad, but thinking makes it so.”— Hamlet, Act II, Scene 2The two hemispheres of our brain collaborate to produce a coherent understanding of the world—at least, that’s what they’re supposed to do. In his groundbreaking book, The Master and His Emissary, neuro-philosopher and psychiatrist, Iain McGilchrist, proposed that our culture has been captured by the left hemisphere, whose dogmatic, technical and irrational way of processing information leads it to manifestly dangerous conclusions about the way the world works. Importantly, the left hemisphere never changes its mind.In one of the widest-ranging conversations on Planet: Critical to date, Iain explains how we came to lose sight of the bigger picture by forsaking the intuition, creativity and intelligence of the right hemisphere. We discuss how our relationship to language makes and unmakes the world, the search for meaning, human agency, relationality, morality, art and the divine, with Iain clearly spelling out a path to human fulfilment—which may very well be the only thing which can save Earth from the worst of us. Planet: Critical investigates why the world is in crisis. Join subscribers from 186 countries to support independent journalism. This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit planetcritical.substack.com
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Folge vom 04.09.2025Bad Environmentalism | Gordon KaticGordon Katic is the founder of the award-winning podcast production company, Cited Media. This week, they’re launching Green Dreams, the new season of their flagship podcast which tells stories of radical environmental thinkers and their dreams for our green future, asking: Should we make those dreams reality, or are they actually nightmares?Gordon contacted me to arrange a mutual podcast shout-out, and instead I invited him on the show to discuss both the season and their innovative research method which prioritises and plural and collaborative approach. Gordon braids in much of what he’s learned into this conversation, in which we tackle some of the historical and current fallacies of the environmental movement. He shines light on the cult of the Western environmental intellectual whilst holding in high esteem the possibility for a bright future—his own realistic and determined green dream.Planet: Critical investigates why the world is in crisis. Join subscribers from 186 countries to support independent journalism. This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit planetcritical.substack.com
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Folge vom 28.08.2025Collapse for the 99% | Luke KempCollapse has historically benefited the 99%.That’s the amazing conclusion of Luke Kemp, author of Goliath’s Curse: The History and Future of Societal Collapse. Luke is a research associate at the Centre for the Study of Existential Risk at the University of Cambridge, and has spent the past five years studying the collapse of civilisations throughout history. He joins me to explain his research, detailing the difference between complex, collective civilisations and what he calls “Goliaths”, massive centralising forces by which a small group of individuals extract wealth from the rest through domination and the threat of violence. Today, he says, we live in a global Goliath.In this astounding conversation, Luke takes us from the Ancient times to the modern day, revealing the root causes of collapse and paralleling them what we’re living through today. He explains the egalitarian nature of our species, and shines new light on what a future could look like free from today’s global Goliath. He reminds us all that we tend to view collapse through the eyes of the 1%, those who have the most to lose, and gives startling accounts of how populations bounced back after their domineering rulers fell. For a conversation about the collapse of the modern world, this conversation is as hopeful as it is brutal.Planet: Critical investigates why the world is in crisis. Join subscribers from 186 countries to support independent journalism. This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit planetcritical.substack.com