Plastisphere: A podcast on plastic pollution in the environment

Anja Krieger
  • 5.0 (57)
  • SCIENCE

The podcast on plastic, people, and the planet by @anjakrieger. Plastics have become the basis for our modern lives, but they also pollute the planet. Will we be able to develop a healthy relationship with these materials we’ve created? Follow Anja on a journey into the world of synthetic polymers, their impacts on nature and ourselves, and the global quest to tackle plastic pollution. Her episodes feature a diverse set of voices and viewpoints and explore the issue from many different angles.

  1. Guilt-free plastics? The idea of plastic credits and its realities

    5D AGO

    Guilt-free plastics? The idea of plastic credits and its realities

    Wouldn’t it be great to have something like guilt-free plastics? A plastic product you can just buy without worrying that you are contributing to pollution in the environment? That’s the promise of plastic credits. The idea is that if you do have to buy a plastic product, this amount of plastic is being offset or saved from the environment somewhere else. This is similar to the concept of carbon credits to tackle climate change. But there’s a lot of criticism of the idea of offsetting plastics or greenhouse gases this way. Are these credits really doing what they claim to do? In this episode we’re going to hear a story from Kenya, and more specifically, Dandora. Dandora is a neighborhood in Nairobi and the home of Kenya’s biggest dumpside - an open field with mountains of trash and waste. It’s the workplace of Dandora’s waste pickers, the people making a living from collecting anything valuable they find on the dumpsite. These waste pickers doing a hard and dangerous job, and face a lot of competition. They compete with the big machines that move the trash around, their fellow waste workers, and now, they are also competing with a new concept: Plastic credits. I learned more about this on the sidelines of the plastic treaty talks in Geneva this summer, where I met Benard Ogembo from Kenya and Conor McGlone from the UK, the two journalists who investigated the connection between plastic credits and the Dandora dumpsite. We were later joined by Arpita Bhagat, the plastic policy lead of GAIA Asia Pacific, an organization with deep insights into the situation of waste pickers. Read Benard's and Conor's story on Desmog: https://www.desmog.com/2025/08/05/new-global-market-for-plastic-credits-threatens-livelihoods-at-kenyan-dump/ Read the GAIA Smoke & Mirrors report: https://www.breakfreefromplastic.org/wp-content/uploads/2023/12/NOV-29-2023_Smoke-and-Mirrors-the-Realities-of-Plastic-Credits-and-Offsetting.pdf Original sounds from the Dandora dumpsite in Anja's intro by James Wakibia. Intro in Dholuo by Benard Ogembo.

    32 min
  2. Teaser - BOY WASTED: A bale of plastic. A mystery body. A global investigation

    OCT 3

    Teaser - BOY WASTED: A bale of plastic. A mystery body. A global investigation

    +++Podcast recommendation+++ There’s a concrete yard with piles of plastic, and lying on the ground is the body of a boy – grotesquely ripped apart. Who was he? And what really happened to him? A team of award-winning investigative journalists, including ENDS Report’s Tess Colley and Pippa Neill, set out to find out. Listen to all three episodes here: https://www.endsreport.com/article/1932516/listen-boy-wasted-bale-plastic-mystery-body-global-investigation ...or wherever you find your podcasts.

    2 min
  3. Speaking up About Plastic Pollution in Turkey, from Biology to Waste Trade

    SEP 30

    Speaking up About Plastic Pollution in Turkey, from Biology to Waste Trade

    In this episode we’ll travel to Turkey with Sedat Gündogdu. Sedat is a Turkish marine biologist and works as a professor at Cukurova University in Adana. When Sedat realized how much plastic trash was polluting the water and land around him, he started to research both its origins and impacts. He began to understand the downsides of microplastics, waste trade, and recycling, and started to talk openly about it. At the plastics treaty negotiations, Anja and Sedat met up to chat about what it means to be a scientist and activist, the scare tactics he experienced and how he fought them off, the waste exports Turkey receives from European countries, and what’s needed to make change. Listen to Boy Wasted as well: https://www.endsreport.com/article/1932516/listen-boy-wasted-bale-plastic-mystery-body-global-investigation

    43 min
  4. Plastic Chemicals - A Toxic Relationship and How We Can Start Fixing It

    SEP 24

    Plastic Chemicals - A Toxic Relationship and How We Can Start Fixing It

    In this episode, we’re taking a deep dive into plastic chemicals and their impacts on human and environmental health. You’ll learn why it’s not such a great idea to put plastic containers into your dishwasher, and why fatty food is especially prone to absorbing chemicals from food packaging. We’re also discussing a common and mostly misunderstood mantra of toxicology, the claim that it’s always the dose that makes the poison. Well, it turns out, that that’s not always true. We’re looking at how some chemicals in plastics can hack our hormone systems, how the political regulation of chemicals is not sufficient, and what we can do about it. In short, we’re taking a look at our toxic relationship with plastics and chemicals, why it affects some people more thana others, and how we can start fixing it. My guests are Martin Wagner, Professor of Biology at the Norwegian University of Science and Technology NTNU, and Jane Muncke,  Managing Director and Chief Scientific Officer at the Food Packaging Forum. We met on the sidelines of the plastics treaty negotiations in Geneva a month ago. Martin Wagner: https://www.ntnu.edu/employees/martin.wagner Jane Muncke: https://foodpackagingforum.org/about-us/office/jane-muncke PlastChem report: https://plastchem-project.org/ The Lancet Countdown on Health and Plastics: https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(25)01447-3/abstract The Scientists Coalition for an Effective Plastics Treaty: https://ikhapp.org/scientist-about-us/

    42 min
  5. Early Heroines of Plastic Pollution, Part II: Meet the Women who Started the Beach Cleanups (Linda)

    SEP 19

    Early Heroines of Plastic Pollution, Part II: Meet the Women who Started the Beach Cleanups (Linda)

    In this episode, we’re going to head out to the beach for the 40th International Coastal Cleanup Day. It’s a huge event which has been taking place each third Saturday of September for four decades now. Each year that day, hundreds of thousands of people swarm to the shorelines and collect and remove the trash they find. But beyond just cleaning up, International Coastal Cleanup Day is an important part of the science and politics of plastics. But how did it all begin? In this second of a two-episode story, you’ll get to hear the little-known stories of the women who started the beach cleanups in the 1980s. These early activists did not only mobilise citizens to put a global spotlight on plastic pollution. They were also the first to count and classify the trash, which produced invaluable data to better understand the growing environmental issue plastics posed. And right from the beginning, beach cleanups drew the interest of the plastics and packaging industries. We’ll explore this history in more detail with Elsa Devienne. Elsa is an assistant professor in US history at Northumbria University in the UK, and she’s the one who dug up this story. Start with part one of the story here: https://soundcloud.com/plastisphere-podcast/coastal-cleanup-judie Based on Elsa's paper: Making Plastics Count: Citizen Science Beach Cleanups and the Ocean Plastic Pollution Crisis (1980s–2020s) https://www.journals.uchicago.edu/doi/abs/10.1086/737351?journalCode=eh Contact her for a free copy: https://www.northumbria.ac.uk/about-us/our-staff/d/elsa-devienne/ This episode was supported by a British Academy Leverhulme Small Grant and co-produced by Elsa Devienne and Anja Krieger. All recordings with Judie, Linda and Susan by Elsa. Music is by Dorian Roy, and cover art by Maren von Stockhausen.

    32 min
  6. Early Heroines of Plastic Pollution, Part I: Meet the Women who Started the Beach Cleanups (Judie)

    SEP 12

    Early Heroines of Plastic Pollution, Part I: Meet the Women who Started the Beach Cleanups (Judie)

    In this episode, we’re going to head out to the beach for the 40th International Coastal Cleanup Day. It’s a huge event which has been taking place each third Saturday of September for four decades now. Each year that day, hundreds of thousands of people swarm to the shorelines and collect and remove the trash they find. But beyond just cleaning up, International Coastal Cleanup Day is an important part of the science and politics of plastics. But how did it all begin? In the next two episodes, you’ll get to hear the little-known stories of the women who started the beach cleanups in the 1980s. These early activists did not only mobilise citizens to put a global spotlight on plastic pollution. They were also the first to count and classify the trash, which produced invaluable data to better understand the growing environmental issue plastics posed. And right from the beginning, beach cleanups drew the interest of the plastics and packaging industries. We’ll explore this history in more detail with Elsa Devienne. Elsa is an assistant professor in US history at Northumbria University in the UK, and she’s the one who dug up this story. Find part two of the story here: https://soundcloud.com/plastisphere-podcast/coastal-cleanup-linda Link to the 1984 video "Get the Drift and Bag it": https://www.youtube.com/watch?v=AEesPuZxCes Elsa's paper: Making Plastics Count: Citizen Science Beach Cleanups and the Ocean Plastic Pollution Crisis (1980s–2020s) https://www.journals.uchicago.edu/doi/abs/10.1086/737351?journalCode=eh Contact her for a free copy: https://www.northumbria.ac.uk/about-us/our-staff/d/elsa-devienne/ This episode was supported by a British Academy Leverhulme Small Grant and co-produced by Elsa Devienne and Anja Krieger. All recordings with Judie by Elsa. Music is by Dorian Roy, and cover art by Maren von Stockhausen.

    34 min
  7. How [Not] to Make a Plastics Treaty - What really happened in Geneva?

    AUG 26

    How [Not] to Make a Plastics Treaty - What really happened in Geneva?

    After 11 days of talks between 180 nations in the middle of a heatwave, the final session dragged late into the night. The next morning we learned that the plastics treaty talks had - again - ended without an agreement to tackle plastic pollution. So after recovering from this intense week, Anja got in touch with Alexandra Harrington. Alexandra is an expert in law and she wears many hats: She’s the Chair of the Plastic Pollution Task Force at the World Commission on Environmental Law of the International Union for Conservation of Nature, a Visiting Scholar at McGill University, and a member of the Plastic Treaty Legal Drafting Group. In this episode, they review what really happened in Geneva. And Alexandra has a hopeful message: Don't give up yet on the plastics treaty. Theme: Dorian Roy Music: Blue Dot Sessions sessions.blue - Plasticity https://app.sessions.blue/browse/track/336059 - The Pewter Elephant https://app.sessions.blue/browse/track/335775 - Lush Arborio https://app.sessions.blue/browse/track/335777 - Blue Latex https://app.sessions.blue/browse/track/336061 Sound of protests from GAIA global alliance for incinerator alternatives https://www.youtube.com/watch?v=cMncIHaNdmg Plenary recordings from the UNEP webcast https://www.youtube.com/@UNEP/streams

    23 min
  8. How [Not] to Make a Plastics Treaty - Update from Geneva (INC 5.2.) with Neil Tangri

    AUG 13

    How [Not] to Make a Plastics Treaty - Update from Geneva (INC 5.2.) with Neil Tangri

    How [Not] to Make a Plastics Treaty - Update from Geneva (INC 5.2.) with Neil Tangri by Anja Krieger

    8 min
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About

The podcast on plastic, people, and the planet by @anjakrieger. Plastics have become the basis for our modern lives, but they also pollute the planet. Will we be able to develop a healthy relationship with these materials we’ve created? Follow Anja on a journey into the world of synthetic polymers, their impacts on nature and ourselves, and the global quest to tackle plastic pollution. Her episodes feature a diverse set of voices and viewpoints and explore the issue from many different angles.

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