The Land & Climate Podcast

Land and Climate Review

The editorial team from The Land and Climate Review interview thinkers and policymakers in the world of economics, land-use and climate policy. Find more on our site at www.landclimate.org

  1. 1d ago

    How does corporate agriculture profit from conflict in Colombia?

    Colombia is one of the most unequal countries in the world when it comes to agriculture and land ownership. Violence in the Colombian countryside has often cleared the way for corporate agriculture to move in, displacing land once held by small farmers, known as “campesinos”, and transforming it into new frontiers for capital. “Armed conflict undermines the productive systems of campesinos, which reinforces the corporate food regime and the modernisation of agriculture”, says Dr Jaskiran Kaur Chohan a Political Ecologist at the University of Bristol, whose work focuses on rural communities in Colombia and the intersection of violence, conflict, and agriculture. Alasdair speaks to Dr Kaur Chohan, about how armed violence undermines campesino food systems and corporate food regimes take root in the aftermath, and how the country's smallholders can survive.  Further reading:  The corporate food regime in conflict zones: Armed violence and agriculture in the Zona de Reserva Campesina-Valle del Río Cimitarra, Colombia, Geoforum, 2024Grassroots masquerades: development, paramilitaries, and land laundering in Colombia, Geoforum, 2013Zonas de Reserva Campesina: ¿Estrategia de Desarrollo Regional y contra el Desplazamiento?, 2020Tough Tradeoffs: Coca crops and agrarian alternatives in Colombia , International Journal of Drug Policy, 2021Broken Republic: Three Essays, Arundhati Roy, 2011Slow violence and corporate greening in the war on drugs in Colombia. International Affairs, 2021 Violent conflict, capitalism and insurgent food sovereignty, The Journal of Peasant Studies, 2026Have monopolies broken agricultural markets?, Land and Climate podcast, 2025Send us Fan Mail Find all our latest investigations, features and interviews at www.landclimate.org

  2. Aug 28

    In Review: Plastics

    With five and a half years of content, The Land and Climate Podcast has an overwhelmingly large back catalogue. We have always aimed to produce evergreen episodes, however, and many of our older interviews still have insights and relevance in 2026.  This is why we are launching a new offering, alongside our usual programming, called 'In Review'. Alasdair and Bertie pick one topic per episode, playing highlights from our favourite interviews and discussing recent developments.  First up: plastics.  Following reports that the current draft of the much-delayed UN Plastics Treaty is even less ambitious than the one rejected by many nations last year, Bertie and Alasdair listen to interview excerpts about microplastics, false solutions to plastic waste, and industry lobbying around the Treaty negotiations.  Featuring clips of science journalist Matt Simon, Punyathorn Jeungsmarn (Arm) from Environmental Justice Foundation, and Dr Rob Ralston from The University of Edinburgh.  Listen to the original episodes:  'Has the plastics industry co-opted the circular economy?' with Rob Ralston, 2026'What if climate politics is about power, not carbon?' with Jessica Green, 2025'Can the world regulate plastics?' with Punyathorn Jeungsmarn, 2025'How badly have microplastics harmed ecosystems, climate, and human health?' with Matt Simon, 2022Further reading:  'Leaked memo shows how U.S. aims to weaken global limits on plastic pollution', Washington Post, August 2026'UN plastic treaty is going backwards, experts say', The Guardian, August 2026'The Global Plastics Treaty must include production reduction', Land and Climate Review, 2025'There is so much to say about plastic pollution. Why are we not talking about it?', Land and Climate Review, 2023A Poison Like No Other: How Microplastics Corrupted Our Planet and Our Bodies by Matt Simon, 2022Send us Fan Mail Find all our latest investigations, features and interviews at www.landclimate.org

  3. Aug 7

    Is reducing energy use a political taboo?

    Solar and wind power is growing worldwide, but so is electricity consumption: as a result, renewables are often only added to the energy mix, rather than replacing fossil fuels.  Reducing energy demand would make net zero more achievable, but it recieves far less attention than decarbonisation efforts. This may be due to a perception that managing energy demand would be politically unpopular, requiring governments to make radical interventions into people's lifestyles and spending.  Oliver Broad, Senior Research Fellow at University College London, tells Alasdair that such fears are unfounded. His team's research found that the UK could reduce energy demand by 52% without new tech or overly disruptive societal change, and has worked with policymakers and public focus groups to demonstrate political acceptability.  Further reading:  'Policymakers and academics envision energy demand reductions beyond typical policies in the United Kingdom', Nature Energy, 2025'Policymaker-led scenarios and public dialogue facilitate energy demand analysis for net-zero futures', Nature Energy, 2025'Energy demand reduction options for meeting national zero-emission targets in the United Kingdom', Nature Energy, 2022'Real people or "economic processing units"? The limited understanding of people's roles in energy and climate governance', Energy Research & Social Science, 2022'A low energy demand scenario for meeting the 1.5 °C target and sustainable development goals without negative emission technologies', Nature Energy, 2018'Invisible energy policies: A new agenda for energy demand reduction', Energy Policy, 2018Send us Fan Mail Find all our latest investigations, features and interviews at www.landclimate.org

  4. Jul 24

    Is geoengineering a security threat?

    Geoengineering research is growing, as scientists look for increasingly radical means to protect humanity from the disastrous impacts of global heating. Less publicly, concerns are also building about the use of these techniques for geopolitical disruption or control.  Technologies such as solar radiation management (SRM) and stratospheric aerosol injection (SAI) are controversial amongst climate scientists: they could buy us time through a temporary cooling effect, but they would not actually stop global heating, and could cause other negative impacts. Danielle Young tells Alasdair that scientific research on these technologies often lacks alignment with political realities. While scientists plan for multilateral governance regimes to protect global populations from heat, government and military officials are more likely to think about SRM or SAI in terms of weaponisation and international power struggles.  Dr Danielle Young is an Assistant Professor in Politics and International Studies at The University of Leeds. Her research focuses on the geopolitical and security implications of emerging solar geoengineering technologies.  Further reading:  'Why we need to explore conflict and competition around solar geoengineering', PLOS Climate, 2026'Who could deploy stratospheric aerosol injection? The United States, China, and large‐scale, rapid planetary cooling', Global Policy, 2025 'How will capitalism react to climate collapse?', Land and Climate Review, 2025'Who Can Govern from a House on Fire? International Order, State Responsibility, and the Problem of Solar Radiation Modification', Ethics & International Affairs, 2024'Scientific models versus power politics: How security expertise reframes solar geoengineering', Review of International Studies, 2024'Considering stratospheric aerosol injections beyond an environmental frame: The intelligible ‘emergency’ techno-fix and preemptive security', European Journal of International Security, 2023'Do-or-Die: Should we be talking about geoengineering?', Land and Climate Review, 2022'The Geopolitical ecology of solar geoengineering: From a ‘logic of multilateralism’ to logics of militarization', Journal of Political Ecology, 2020Geoengineering, the Anthropocene and the End of Nature, Jeremy Baskin, 2019‘The entwined Cold War roots of missile defense and climate geoengineering’, Bulletin of the Atomic Scientists, 2019Send us Fan Mail Find all our latest investigations, features and interviews at www.landclimate.org

  5. Jul 10

    Are financial markets destroying climate ambition?

    Click here to watch the video recording of this interview.  In her latest book, Ann Pettifor argues that we are not governed by politicians or diplomats, but “by wealthy and powerful players in markets based in Silicon Valley, Wall Street, the Chicago Mercantile Exchange and the City of London.” These players, she says, largely either ignore the threat of climate breakdown, or see it as a struggle for resource control. The “unregulated actions of private actors and institutions in global markets have led to the increasingly rapid breakdown of the world’s climate and ecosystem.” In a special episode of The Land and Climate Podcast, recorded live in front of an audience as part of London Climate Action Week, Bertie and Ann discuss the influence financial markets exert over climate policy, and strategies to reassert democratic control. Ann Pettifor is a political economist known for predicting the 2008 financial crisis, successfully campaigning to cancel approximately $100 billion in debt owed by poor countries, and for co-authoring and advocating the Green New Deal.  In January 2026, Verso published her latest book, The Global Casino: How Wall Street Gambles with People and the Planet. Buy a copy from Verso's website before 31st July and recieve 30% off with the following discount code: CLIMATEREVIEW30  Further reading:  Ann's Substack, System Change.The Case for the Green New Deal, 2019The Production of Money: How to Break the Power of Bankers, 2018Send us Fan Mail Find all our latest investigations, features and interviews at www.landclimate.org

  6. Jun 26

    Can ocean technologies combat climate change?

    Most net zero policies and major scientific models rely on carbon dioxide removal (CDR) to limit global heating to 2℃. The most commonly known methods include afforestation, bioenergy with carbon capture, and direct air capture - but various proposals are emerging for ocean-based CDR technologies.  Could marine CDR offset emissions from sectors that cannot easily decarbonise, or are the costs and risks too great? Bertie sat down with oceanographer David Ho to discuss these questions, shortly after he returned from the 4th International Conference on Carbon Dioxide Removal in Milan.  David Ho is a professor at University of Hawaiʻi at Mānoa, and a lead author on the upcoming IPCC methodology report on carbon dioxide removal and carbon capture, utilisation and storage. His 2023 article for Nature criticising overreliance on CDR has been downloaded more than 100,000 times. Further reading:  'Three challenges to marine carbon dioxide removal', npj Ocean Sustainability, November 2025Principles for responsible and effective marine carbon dioxide removal development and governance, 2025'Marine carbon dioxide removal may be a future climate solution', Dialogues on Climate Change, November 2024'Can coastal and marine carbon dioxide removal help to close the emissions gap? Scientific, legal, economic, and governance considerations',  Elementa: Science of the Anthropocene, August 2024'Deployment expectations of multi-gigatonne scale carbon removal could have adverse impacts on Asia’s energy-water-land nexus', Nature Communications, July 2024'Carbon dioxide removal is not a current climate solution — we need to change the narrative', Nature, April 2023Send us Fan Mail Find all our latest investigations, features and interviews at www.landclimate.org

  7. Jun 12

    Was Chinese history shaped by climateflation?

    The 17th Century Little Ice Age wreaked havoc on weather systems and economies around the world. In China, extreme cold and intense droughts led to soaring grain prices, and as food security collapsed, so did the centuries old political regime of the Ming dynasty. Alasdair speaks to Tim Brook about his groundbreaking book ‘The Price of Collapse: The Little Ice Age and the Fall of Ming China’. They discuss the importance of climate changes in the rise and fall of empires, and the lessons that can be learned from climate-induced famines in dynastic China.  Dr Book is a Canadian historian and an Emeritus Professor at the University of British Columbia (UBC). He held the Republic of China Chair at UBC’s Centre for Chinese Research until his retirement in 2022.  Further reading: ‘What is climate-flation?’, Land and Climate Review, March 2026The Price of Collapse: The Little Ice Age and the Fall of Ming China by Timothy Brook, 2023The Frigid Golden Age: Climate Change, the Little Ice Age, and the Dutch Republic, 1560–1720 by Dagomar Degroot, 2018‘Climate change and society in the 15th to 18th centuries’, WIREs Climate Change, March 2018‘Nine sloughs: profiling the climate history of the Yuan and Ming Dynasties, 1260-1644’, Journal of Chinese History, November 2016 The Troubled Empire: China in the Yuan and Ming Dynasties by Timothy Brook, 2013Send us Fan Mail Find all our latest investigations, features and interviews at www.landclimate.org

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The editorial team from The Land and Climate Review interview thinkers and policymakers in the world of economics, land-use and climate policy. Find more on our site at www.landclimate.org

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