WHAT ABOUT AVIATION? A remarkably valuable system for society or a carbon-intensive luxury?
Notas do episódio
Flying is one of the most carbon-intensive activities. In fact, if you fly, it is probably the most polluting thing that you do. Yet, aviation remains one of the toughest sectors to decarbonise, as battery technology and alternative fuels still struggle to match the efficiency of jet fuel.
In this episode, James and Daisy – who both love travelling – confront the challenging topic of aviation. What are the environmental impacts of aviation? Should we stop flying? What are the alternatives?
SOME RECOMMENDATIONS:
Mike Berners-Lee is a researcher and writer on carbon footprinting and has written articles on how cutting aeroplane contrails is an easy climate win. - https://www.ft.com/content/d0292413-5fcf-4ab9-b738-8da289fd4987
Carbon Brief (2020) – This article calculates the true climate impact of aviation emissions and describes the impact of CO2 and non-CO2 effects. - https://www.carbonbrief.org/guest-post-calculating-the-true-climate-impact-of-aviation-emissions/
OTHER ADVOCATES, FACTS, AND RESOURCES:
The Seventh Carbon Budget (2025) – Section 7.6 describes the UK’s aviation emissions and the Balanced Pathway for the aviation sector. - https://www.theccc.org.uk/wp-content/uploads/2025/02/The-Seventh-Carbon-Budget.pdf
The Chicago Convention on International Civil Aviation was signed in 1944 and went into effect in 1947. It established the International Civil Aviation Organization (ICAO) and set the framework for global civil aviation.
The Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) is a carbon offset and carbon reduction scheme to lower CO2 emissions for international flights and curb the aviation impact on climate change. CORSIA uses market-based environmental policy instruments to offset CO2 emissions: aircraft operators have to purchase carbon credits from the carbon market. - https://www.icao.int/environmental-protection/CORSIA/Pages/default.aspx
Jack Sweeney shares information about the locations of private planes of the rich and powerful on his social media accounts, including Elon Musk and Taylor Swift. - https://x.com/Jxck_Sweeney?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Eauthor
Climate Perks – The employee benefits scheme which gives staff the opportunity to take extra days off work if they choose low-carbon travel rather than flying when they go on holiday. - https://www.climateperks.com/
IPCC (1999) – There is a range of options to reduce the impact of aviation emissions, including changes in aircraft and engine technology, fuel, operational practices, and regulatory and economic measures. - https://www.ipcc.ch/report/aviation-and-the-global-atmosphere-2/
Our World in Data (2024) – “Aviation accounts for 2.5% of global CO₂ emissions. But it has contributed around 4% to global warming to date.” - https://ourworldindata.org/global-aviation-emissions
ICAO (2019) – 65% of aviation’s CO2 emissions are in international airspace and, therefore, do not necessarily “belong” to individual nation states. - https://www.icao.int/environmental-protection/Documents/EnvironmentalReports/2019/ENVReport2019_pg17-23.pdf
Carbon Brief (2025) – “A forest twice the size of Greater London would need to be planted in the UK to cancel out the extra emissions from the expansion of Heathrow, Gatwick and Luton airports.” “…offsetting these emissions would require more than 300,000 hectares of trees to be planted within just a few years. This equates to all the trees planted in the UK since 2000.” - https://www.carbonbrief.org/analysis-uk-would-need-forest-twice-size-of-london-to-offset-new-airport-expansion/
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Music: “Just Because Some Bad Wind Blows” by Nick Nuttall, Reptiphon Records. Available at https://nicknuttallmusic.bandcamp.com/album/just-because-some-bad-wind-blows-3
Producer: Podshop Studios - https://www.podshoponline.co.uk/
Huge thanks to Siobhán Foster, a vital member of the team offering design advice, critical review and organisation that we depend upon.
Stay tuned for more insightful discussions on navigating the transition away from fossil fuels to a sustainable future.