Can we have guilt-free flying?

David, Sara, and Ed chat with Sebastian Eastham, associate professor of sustainable aviation at Imperial College London, about the climate impacts of aviation and what we can actually do about it.

The conversation covers immediate levers like contrail avoidance and operational changes that don't require waiting decades for new tech—plus the real potential (and limitations) of sustainable aviation fuels.

It's a lively and at times blunt conversation, with sharp audience questions and limited patience for climate cosplay. You'll get the cosplay bit once you listen...

🎙️ TIMESTAMPS
00:18 - Introduction
01:15 - Webinar Start
46:00 - Audience Q&A

🔗 LINKS
Full show notes
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About Our Guest

Seb Eastham is the Associate Professor for Sustainable Aviation at Imperial College London. An atmospheric scientist and aeronautical engineer, he seeks to understand what the true environmental impacts of aerospace activity are and what we can do about them. He develops and applies novel numerical models of the atmosphere, ranging from the scale of a single exhaust plume up to the global Earth system, to provide new understanding of those impacts and guide the development of new solutions to support a growing and sustainable aerospace sector. One of his current focus areas is to find robust strategies to reduce (or eliminate) the climate impacts of condensation trails, currently thought to be responsible for up to half of aviation's contributions to climate change.

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