The Land & Climate Podcast

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 ...

Last September, power cuts and water shortages triggered civil unrest in Madagascar, leading to the dissolution of its government. In recent months, Iran’s water crisis has led to public demonstrations and even a warning from President Masoud Pezeshkian that Tehran could be evacuated. Protests over access to food and water are intensifying globally. Dagomar Degroot returns to the podcast to discuss the role of climate change in regime breakdown. He and Alasdair discuss historical exampl...

This week, Bertie Harrison-Broninski speaks with Professor Annette Kehnel, Chair of Medieval History at the University of Mannheim. Kehnel gives us a potted history of sustainability and argues that sustainable practices have existed throughout history, yet our modern collective memory is influenced by ideas of resource exploitation introduced in the 18th and 19th centuries. Annette Kehnel is currently a visiting fellow at the University of St. Gallen in Switzerland. She is the author ...

Controversial efforts at space tourism, such as by Jeff Bezos’ Blue Origin, have reignited old debates about the purpose of space exploration. What relevance does the world beyond our planet have to anyone apart from billionaires and their super-rich clients? Without defending the growing commercialisation of the space sector, environmental historian Professor Dagomar Degroot offers some answers. In conversation with Alasdair, he examines the solar system's influence on humanity - and h...

Global heating in 2024 exceeded 1.5C above pre-industrial levels, but most governments continue to extend fossil fuel use. Are we now in a political situation where decarbonisation and mitigation efforts are failing? Is climate disaster irreversible? Alasdair MacEwen discusses these questions with Wim Carton, who returns to the podcast following publication of his new book, The Long Heat: Climate Politics When It’s Too Late, co-authored with Andreas Malm. Wim also explains the desperate...

Alasdair speaks with Jessica F. Green, author of the new book Existential Politics: Why Global Climate Institutions Are Failing and How to Fix Them, about why thirty years of climate policy have failed to reduce emissions. They discuss why carbon pricing has been largely ineffective, how net zero pledges are misleading, and why focus must shift from measuring emissions by the tonne to measuring profitability. Jessica is a professor of Political Science at the University of T...

Next week, negotiators meet in Geneva to finalise the UN’s historic Global Plastics Treaty, originally announced in 2022. The additional session was scheduled after years of tense international disagreement. Bertie talks to Punyathorn ‘Arm’ Jeungsmarn, Plastics Campaign Researcher at the Environmental Justice Foundation. Arm attended previous rounds of the UN talks, and recently worked on research about problematic solutions to plastic pollution. Arm discusses his experience of the negotiatio...

Yesterday, the U.S. Congress approved President Donald Trump's so-called 'Big Beautiful Bill'. This controversial federal budget is set to defund a huge proportion of the nation's climate and environmental science - what will the impacts be for America, and for global efforts against the climate crisis? Bertie spoke to John Holdren, who served as President Barack Obama's Director of the Office of Science and Technology Policy from 2009-2017, becoming the longest-serving Science Advisor to the...