Are flights across the world about to be grounded? Is a terrible war about to create an unlikely good news story for the climate? As conflict in the Middle East threatens the Strait of Hormuz, jet fuel shortages are forcing aviation to confront a structural vulnerability it has spent decades avoiding.This week, Tom Rivett-Carnac, Christiana Figueres and Paul Dickinson examine what the shortage reveals: aviation's near-total dependence on fossil fuels, the structural reasons it has proved so hard to break, and whether it’s ever going to be possible to fix. They speak with Karel Bockstael and Roxanne van Rijn, former aviation insiders who co-founded Call Aviation to Action, a movement designed to reach the industry’s senior leaders and push for much-needed change. They explain why kerosene remains the only viable option for long-haul flight, how thin margins trap airlines into opposing the very regulation they need, and why this fuel shock may be the scarcity event that finally forces the model to shift. Could this crisis become aviation’s turning point? And in a world where up to 80% of people have never set foot on a plane - and 1% account for half of all aviation emissions - what would a truly fair future for flight actually look like?Learn More:✈️ Explore Call Aviation to Action - the movement co-founded by Karel and Roxanne and others, pushing for industry-wide transformation from within📊 Read the UK Climate Change Committee’s aviation analysis, and understand why aviation is on course to become the UK’s single largest emitting sector by 2040⛽ Get up to date on IEA data on global oil and jet fuel markets, including what the Strait of Hormuz disruption means for aviation fuel supply🌿 Learn more about Sustainable Aviation Fuel (SAF) via IATA: what it is, why it currently accounts for less than 1% of aviation fuel use, and what scaling it would require💸 Pay the true price of your next flight via the Future Friendly Fund’s calculator, or check your CO₂ estimate on Google Flights. Check out Bumprints for practical tips or Travel Alternative, Roxanne’s recently launched platform highlighting alternatives to flying🎤 Leave us your voice notes and questions for upcoming episodes on SpeakPipeJoin the conversation:Instagram @outrageoptimism LinkedIn @outrageoptimismOr get in touch with us via this form.Producer: Ben Weaver-HincksEdited by: Miles Martignoni Planning: Caitlin Hanrahan Exec Producer: Ellie CliffordThis is a Persephonica production for Global Optimism and is part of the Acast Creator Network. Hosted on Acast. See acast.com/privacy for more information.

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