Share

cover art for Dangerous and dirty – but cheap – used cars exported from the US and Europe are filling roads in Africa

The Conversation Weekly

Dangerous and dirty – but cheap – used cars exported from the US and Europe are filling roads in Africa

In countries across Africa and Latin America, old used cars from places like the U.S. and Europe provide vital access to transportation to people who would otherwise be unable to afford their own vehicles. While this process extends the lives of these cars, the practice is not without problems, in particular with regards to pollution and passenger safety. We speak with two researchers about why richer countries export used cars, what impacts they have in developing nations and whether import restrictions are effectively stemming the rise in pollution and accidents caused by this practice.


Featuring Festival Godwin Boateng, Postdoctoral Research Fellow at the Centre for Sustainable Urban Development at The Earth Institute at Columbia University in the US, and Paul Bledsoe, Professional Lecturer at American University in the US.


This episode was written and produced by Mend Mariwany, who is also the executive producer of The Conversation Weekly. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. Full credits for this episode are available here. A transcript will be available soon. Sign up here for a free daily newsletter from The Conversation.


Further reading: 


More episodes

View all episodes

  • Invisible lines: how unseen boundaries shape the world around us

    22:03
    Our experiences of the world are diverse, often changing as we move across borders from one country to another. They can also vary based on language or subtle shifts in climate. Yet, we rarely consider what causes these differences and divisions. In this episode we speak to geographer Maxim Samson at De Paul University in the US about the unseen boundaries that can shape our collective and personal perceptions of the world – what he calls "invisible lines".This episode was written and produced by Mend Mariwany with assistance from Katie Flood. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. Gemma Ware is the executive producer. Full credits available here. A transcript will be available shortly. Subscribe to a free daily newsletter from The Conversation.Further readingRemoving urban highways can improve neighborhoods blighted by decades of racist policies Wallacea is a living laboratory of Earth’s evolution – and its wildlife, forests and reefs will be devastated unless we all actAfrica’s got plans for a Great Green Wall: why the idea needs a rethink
  • Climate quitting: the people leaving their fossil fuel jobs because of climate change

    23:11
    As the climate crisis gets ever more severe, the fossil fuel industry is struggling to recruit new talent. And now a number of existing employees are deciding to leave their jobs, some quietly, some very publicly, because of concerns over climate change. In this episode we speak to a researcher about this phenomenon of climate quitting.Featuring Grace Augustine, associate professor in business and society at the University of Bath in the UK, and Sam Phelps, commissioning editor for international affairs at The Conversation in the UK. This episode was written and produced by Katie Flood with assistance from Mend Mariwany. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. Gemma Ware is the executive producer. Full credits available here. A transcript will be available shortly. Subscribe to a free daily newsletter from The Conversation.Further reading and listening:Why young workers are leaving fossil fuel jobs – and what to do if you feel like ‘climate quitting’Quarter Life: a series about issues affecting those in their twenties and thirtiesFossil fuel workers have the skills to succeed in green jobs, but location is a major barrier to a just transitionListen: The fossil fuel era must end – so what happens to the communities it built? Climate Fight podcast part 3
  • How conspiracy theories help to maintain Vladimir Putin’s grip on power in Russia

    25:55
    As Russians head to the polls for presidential elections, conspiracy theories are swirling everywhere. In this episode we speak to a disinformation expert about the central role these conspiracy theories play in Vladimir Putin’s Russia.Featuring Ilya Yablokov, lecturer in journalism and digital media at the University of Sheffield in the UK. Plus an introduction from Grégory Rayko, international editor at The Conversation in France. This episode of The Conversation Weekly was written and produced by Gemma Ware and Katie Flood with assistance from Mend Mariwany. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. Full credits available here. A transcript will be available shortly. Subscribe to a free daily newsletter from The Conversation.Further reading and listening:The Conversation's Expert guide to conspiracy theories podcastPutin has no successor, no living rivals and no retirement plan – why his eventual death will set off a vicious power struggleWhat can we expect from six more years of Vladimir Putin? An increasingly weak and dysfunctional RussiaRussian conspiracy theories: how Kremlin-backed yarns help keep Vladimir Putin in power En Russie, la plainte étouffée des mobilisés et de leurs familles
  • How North Korea is turning into a matriarchy

    26:11
    High heels, lace and handbags. In recent decades, there’s been a huge shift in the role of North Korean women and the choices they’re able to make – including what they wear. In this episode, we hear about new research on how North Korean women are driving a new form of grassroots capitalism, and changing the country in the process. Featuring Bronwen Dalton, head of the department of management at the University of Technology Sydney Business School in Australia, and Kyungja Jung, Associate Professor at the University of Technology Sydney. Plus an introduction from Justin Bergman, international affairs editor at The Conversation in Australia.This episode of The Conversation Weekly was written and produced by Gemma Ware and Mend Mariwany with assistance from Katie Flood. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. Full credits available here. A transcript will be available shortly. Subscribe to a free daily newsletter from The Conversation.Further reading and listening:From sexual liberation to fashionable heels, new research shows how women are changing North KoreaWhat North Korean defectors say about women’s lives under the Kim regimeNorth Korea steps up efforts to stamp out consumption of illegal foreign media – but entertainment-hungry citizens continue to flout the ban
  • Intellectual humility: the rewards of being willing to change your mind

    21:37
    With unlimited information at our fingertips and dozens of platforms on which to share our opinions, it can sometimes feel like we’re supposed to be experts in everything. It can be exhausting. In this episode, we talk to a psychologist whose research and experiences of intellectual humility have taught him that acknowledging what we don’t know is as important as asserting what we do know.Featuring Daryl Van Tongeren, associate professor of psychology at Hope College in Michigan, and Maggie Villiger, senior science and technology editor at The Conversation in the US.This episode of The Conversation Weekly was written and produced by Katie Flood with assistance from Mend Mariwany. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. Gemma Ware is the executive producer. Full credits available here. A transcript will be available shortly. Subscribe to a free daily newsletter from The Conversation.Further reading and listening:A series of articles on intellectual humilityThe curious joy of being wrong – intellectual humility means being open to new information and willing to change your mindHow to depolarise deeply divided societies – podcast 
  • Israel-Gaza: how opinion polls used in Northern Ireland could pave a way to peace

    22:22
    When the war in Gaza eventually ends, pressure will mount for negotiations to begin for a deal. When that day comes, how can opposing sides in the Israel-Palestine conflict find enough common ground to reach an agreement? In this episode, we hear about a method called peace polling, tried out successfully in Northern Ireland, that could offer a blueprint for how to reach a settlement between Israelis and Palestinians.Featuring Colin Irwin, a research fellow at the Department of Politics at the University of Liverpool in the UK, and Jonathan Este, senior international editor at The Conversation in the UK.This episode of The Conversation Weekly was written by Gemma Ware and produced by Mend Mariwany with assistance from Katie Flood. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. Gemma Ware is the executive producer. Full credits available here. A transcript will be available shortly. Subscribe to a free daily newsletter from The Conversation, and a fortnightly Gaza Update email.Further reading and listening:
  • As we dream, we can listen in on the waking world

    19:45
    Humans spend about one third of our lives asleep and while most of us dream regularly, some people remember their dreams more than others. But scientists still know surprisingly little about why or how we experience dreams. In this episode we find out about new research from a sleep lab in France that has unlocked a way to find out more by communicating with people as they dream. Featuring Başak Türker, a postdoctoral researcher at the Institute du Cerveau in Paris, and Lionel Cavicchioli, health and medicine editor at The Conversation in France. This episode of The Conversation Weekly was written and produced by Katie Flood with assistance from Mend Mariwany. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. Gemma Ware is the executive producer. Full credits available here. A transcript will be available shortly. Sign up to a free daily newsletter from The Conversation.Further reading and listening:The study of dreams: Scientists uncover new communication channels with dreamersI’m a lucid dream researcher – here’s how to train your brain to do itDreaming may have evolved as a strategy for co-operative survival 
  • Deepfakes and disinformation swirl ahead of Indonesian election

    22:04
    Indonesia, the world’s third-largest democracy, goes to the polls on February 14 to elect a new president. It’s one of the largest elections to take place since an explosion of generative AI tools became available that can manipulate video and audio – and a number of deepfake videos have gone viral during the campaign.In this episode, we look at what Indonesia’s experience is revealing about the disinformation battleground ahead in 2024, when an estimated four billion voters will be eligible to vote in an election. Featuring F.X. Lilik Dwi Mardjianto, a journalism researcher at Universitas Multimedia Nusantara in Inodnesia and Nuurrianti Jalli, assistant professor of Professional Practice, School of Media and Strategic Communications, Oklahoma State University in the US. This episode of The Conversation Weekly was written and produced by Mend Mariwany and Gemma Ware with assistance from Katie Flood. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. Full credits available here. A transcript will be available shortly. Sign up to a free daily newsletter from The Conversation.Further reading and listening:Indonesia’s presidential election may go to run-off, despite what the polls sayFake Biden robocall to New Hampshire voters highlights how easy it is to make deepfakes − and how hard it is to defend against AI-generated disinformationDisinformation is often blamed for swaying elections – the research says something else
  • Environments can shape the differences between cultures

    19:03
    In some cultures, people are frugal while in others they tend to be generous. Some cultures favour meticulous planning while others favour living in the moment. Theories abound about how and why differences like these between cultures emerge and, increasingly, researchers are looking to the environments people live in for answers.In this episode, Mend Mariwany explores what role ecological factors, including the climate, play in shaping cultural norms and behaviour. Featuring Michael Varnum, associate professor of psychology at Arizona State University in the US.  This episode of The Conversation Weekly was written by Mend Mariwany, and produced by Mend Mariwany and Meher Batia with assistance from Katie Flood. Eloise Stevens does our sound design, and our theme music is by Neeta Sarl. The executive producer is Gemma Ware. Full credits available here. A transcript will be available shortly. Sign up to a free daily newsletter from The Conversation. Further reading and listening:Nearly 20% of the cultural differences between societies boil down to ecological factors – new researchWhy rice growers in China are more sexually liberal than wheat growersHow culture informs people’s emotional reaction to music – podcast