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The Climate Question

The Climate Question

Podcast The Climate Question
Podcast The Climate Question

The Climate Question

BBC World Service
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Why we find it so hard to save our own planet, and how we might change that. Mehr
Why we find it so hard to save our own planet, and how we might change that. Mehr

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  • Is lab-grown meat better for the planet?
    Billions of dollars have been pumped into the promise of a climate-friendly way of producing meat, but is growing a steak in a lab any better for the planet than rearing a cow on a farm? Supporters of the idea say it will dramatically reduce the impact of livestock, which is responsible for about 15% of the world’s planet-warming gases, as well as returning huge amounts of land to nature. But studies suggest cultivating meat in a lab might actually be worse for the planet, at least in the long-run – we put both claims to the test. Plus, ten years on from the unveiling of the world’s first lab-grown meat, we ask why it’s still only available to buy at one restaurant in Singapore, and only on Thursdays. Presenter Graihagh Jackson is joined by: Tasneem Karodia, co-founder of Mzansi Meat, in South Africa; John Lynch, postdoctoral research associate at the University of Oxford, in the UK; Nick Marsh, the BBC’s Asia business correspondent, in Singapore Producer: Simon Tulett Researcher: Matt Toulson Series Producer: Alex Lewis Editor: China Collins Sound engineer: Tom Brignell Production Coordinators: Debbie Richford and Sophie Hill
    21.5.2023
    27:28
  • Can we trust Google’s carbon footprint calculations?
    If you are planning a trip, but you want to check the climate impact before choosing how to get there, then beware. Google has been seriously underestimating the carbon footprint of plane flights, and overestimating that of some train journeys. And its calculations don’t just appear in its search results, but also feed the sites of more and more online booking companies, like Skyscanner and Booking.com. To be fair, carbon footprints are actually very hard to get right, as the BBC’s Climate Editor, Justin Rowlatt, discovers on his own trip to Rotterdam. On the way out, he takes the Eurostar high-speed train, whose carbon emissions depend on the weather over the North Sea that day. On the way back he catches a plane, whose climate impact… also depends on the day’s weather conditions over the North Sea. So what is Google doing to fix its methodology and can we trust carbon footprint calculations at all? And do passengers even really care that much about the environmental impact of their journey, or should they be made to pay for it directly? Presenter Justin Rowlatt is joined by: Doug Parr, chief scientist and policy director at Greenpeace UK Dr Feijia Yin, assistant professor for the climate effects of aviation at Delft University of Technology Andrew Murphy, head of sustainability at Eurostar Sola Zheng, aviation researcher at the International Council on Clean Transportation Email us: [email protected] Producer: Laurence Knight Production Coordinators: Sophie Hill and Debbie Richford Series Producer: Alex Lewis Editor: China Collins Sound Engineer: Tom Brignell
    14.5.2023
    27:25
  • Why are 15-minute cities so unpopular?
    The idea of cities where everything you need on a daily basis can be reached within a quarter of an hour by foot or bike has grown in popularity in recent years, as local authorities adopt more sustainable approaches to urban planning. In theory, by having work, shopping, education, healthcare, and leisure all within a short distance could reduce dependency on cars, improving personal health and lowering carbon emissions. But the idea of adapting cities in this way hasn’t been universally-welcomed. Presenter Graihagh Jackson is joined by: Jay Pitter, author and urban planner Mark Watts, Executive Director at C40 Cities Gian Carlo Vega, on-the-ground reporter in Bogotá, Colombia, who was joined by Vanessa Velasco, Urban Development Specialist at the World Bank Producer: Ben Cooper Researchers: Matt Toulson, Bethan Ashmead-Latham and Pierre-Antoine Denis Series Producer: Alex Lewis Editor: China Collins Sound engineer: Tom Brignell Production Coordinators: Siobhan Reed, Debbie Richford and Sophie Hill
    7.5.2023
    27:24
  • Is there a greener way to rank successful economies?
    Many blame our obsession with economic growth as being one of the biggest drivers of climate change. The United Nations is currently looking at options for what might replace Gross Domestic Product (GDP) as the world’s primary go-to indicator of success, taking into account factors including sustainability and the natural environment. If this happens, it would be the biggest shift in how economies are measured since nations first started using GDP in 1953, 70 years ago. Presenter Graihagh Jackson is joined by: Ehsan Masood, author, science journalist and an editor at the journal, Nature; Diane Coyle, economist and Bennett Professor of Public Policy at the University of Cambridge; Adil Najam, Dean Emeritus and Professor at the Pardee School of Global Studies, Boston University; Fouty-Boulanga Mouleka, on-the-ground reporter in Gabon Producer: Ben Cooper Researchers: Matt Toulson, Pierre-Antoine Denis, Bethan Ashmead-Latham and Laura Cain Series Producer: Alex Lewis Editor: China Collins Sound engineer: Tom Brignell Production Coordinators: Siobhan Reed and Sophie Hill
    30.4.2023
    27:23
  • How renewable are renewables?
    Wind and solar power will play a crucial role in curbing climate change, but what happens to all the worn-out turbines and photovoltaic panels once they are past their best? Most wind turbine blades are almost impossible to recycle, and solar panels are very expensive to disassemble, but efforts are under way to prevent a possible renewable waste mountain. Presenter Graihagh Jackson hears how old wind turbine blades are being turned into everything from bridges to flowerbeds, and we visit one of the world’s only solar panel recycling facilities. Plus – what’s the carbon footprint of a wind turbine or a solar panel in the first place? Plus we hear from listeners Prateek, Alex and Elle. Let us know what you think about the show – email [email protected] Contributors: Paul Leahy, lecturer in wind energy at University College Cork, Republic of Ireland, and principal investigator at Re-Wind; Ute Collier, deputy director of the Knowledge, Policy and Finance Centre at the International Renewable Energy Agency, Abu Dhabi; Guy Chichignoud, chief technology officer, ROSI, France; Vivian Jia Tong Li, campaigner for Greenpeace East Asia, Beijing. Producer: Simon Tulett Researchers: Matt Toulson and Pierre-Antoine Denis Series Producer: Alex Lewis Editor: Simon Watts Sound engineer: Tom Brignell Production Coordinators - Siobhan Reed and Sophie Hill
    23.4.2023
    27:26

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