Scale Out in 2025 | Rachel Donald

Doctors are tasked with an impossible job: Keep our bodies healthy while Earth’s collapses. Our healthcare systems are already under-funded and over-stretched, and that’s before we throw in the drastic changes in disease and mortality that warming temperatures are unleashing around the world. That all this falls on the shoulders of healthcare workers is another symptom of the madness of modernity. Each and every policy is responsible for our healthcare, not just the industry itself. Sharon Friel is a Professor of Health Equity at Australia National University, researching how planetary health and human health intersect. She joins me to explain the state of health in the coming decades, which institutional policies are already preventing effective treatment, and how our atomistic relationship to cause and effect with regards to climate change is reflected in the biomedical paradigm itself. We discuss how medical curricula around the world can and must change, the necessary integration of different epistemologies, and Sharon reveals what is sending the medical insurance industry into a panic—revealing just high Earth’s fever is climbing.

Is China the next world leader? Ken Hammond is a professor of history at New Mexico State University, where he specializes in the history of China in the early modern period. Author of China's Revolution and the Quest for a Socialist Future, Ken joins me to explain the stark differences in how China is deploying its newfound wealth and political power within its own borders and throughout the Global South. We also discuss the persecution of the Uyghurs, with Ken and I taking very different positions about how nation states should manage diversity within their borders. We end up debating whether or not a sustainable, socialist future can ever be achieved through centralised forces—and what the possible fallout could be. Planet: Critical investigates why the world is in crisis. Join subscribers from 186 countries to support independent journalism.

Imagine if we rolled up our sleeves instead of pointed our fingers? Jessica Hernandez is an indigenous climate scientist and author of Growing Papaya Trees. Her work reveals that the roots of our planetary crisis lies in the violence of colonialism and neo-colonialism. In this gentle and humorous conversation, Jessica explains what it means to be a displaced indigenous person, why the Lands need people to be well, and the worldviews impeding us as a global collective to take the necessary action to protect Earth and each other. We discuss the recent creation of a global indigenous identity, how renewable energy is encroaching on indigenous rights, our shared suspicion of the “just transition”, the common failures found amongst all humans, and how Western individualism has promoted a culture of blame when what we need, more than ever, is to take accountability for our world today. Planet: Critical investigates why the world is in crisis. Join subscribers from 186 countries to support independent journalism.

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.

“There is nothing either good or bad, but thinking makes it so.” — Hamlet, Act II, Scene 2 The 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.