Research fellow at @OxfordPhysics + @NCEOscience focusing on satellite data for weather and climate | Occasional Pilot | he/him | 
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We show that a small reduction in flights, 2.5% per year, will halt aviation's contribution to further global warming. This is good news! We don't need to stop flying, just to be sensible and cut out frivolous journies - make some of those business meetings virtual! (5/7)pic.twitter.com/hyCAaNUYHG
Even better: We show that switching to sustainable jet fuels will also halt global warming from aviation. Especially if we couple this to other climate-friendly solutions. All achievable, just takes coordinated effort from industry (6/7).pic.twitter.com/dHCbRoCCMR
So, aviation's disproportionate impact on the climate can be solved. But we need to dispense with greenwashing, stop focusing on net-zero CO2. We need to fly a little bit less and push for proper industry change: No tankering, sustainable fuels, better flight routing. (7/7)pic.twitter.com/IAuLjcER4A
I expect this will be forced on the industry. Once road transport stops using oil, that's a large amount of money the extraction & refining industries will lose and jet fuel will become very expensive. Unless I'm missing something, of course.
That’s quite the reduction starting 2024, do you think it’s really plausible that genuinely sustainable jet fuel can be available at that scale by then?
Could you please clarify that you are talking about hypothetical zero carbon fuel here, not eg the kind of SAF used in the PM's jet home from COP? Saying this is 'all achievable' makes very big assumptions about the feasibility and cost of rolling out zero carbon fuels at scale.
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