Can We Make Flying “Green”?

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Sabine Hossenfelder

At 3 mins 38 seconds I confused the horizontal with the vertical axis.

Sorry about that!

What can we do to reduce the carbon footprint of air travel?

In this video we look at battery powered planes, hydrogen powered ones, bio fuel, and synthetic kerosene.

Data about airplane emissions come from Our World in Data https://ourworldindata.org/co2-emissi…

The figure for the increase of airplane efficiency is from this report: https://theicct.org/sites/default/fil…

The figure for the energy per volume and energy per mass values for different fuels is from this paper: https://www.mh-aerotools.de/company/p…

Data for the cost of bio jet-fuel is here: https://www.irena.org/-/media/Files/I…

The paper about the increased efficiency of gene-edited microalgae is this: https://www.nature.com/articles/nbt.3865

The number for the carbon-dioxide emissions of synthetic jet fuel comes from here: https://www.transportenvironment.org/…

Numbers for the cost of synthetic jet fuel are from here: https://theicct.org/wp-content/upload…

Market estimates for the increase in air fuel demand are here: https://www.energy.gov/sites/prod/fil…

The recent report from the International Air Transport Association calling for support for synthetic fuels is here: https://www.iata.org/en/pressroom/202…


00:00
Intro

00:47 How Bad is Flying?

02:30 Electric Planes

06:32 Hydrogen

09:05 Biofuels

13:00 Synthetic Kerosene

16:05 Sponsor Message

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