this post was submitted on 05 Oct 2023
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[–] lily33@lemm.ee 5 points 1 year ago* (last edited 1 year ago) (1 children)

But we're talking about passengers, not cargo, so the relevant numbers are CO2 per passenger-km.

Which changes the efficiency - because while you can cram people tightly for a 12h flight, you can't do that for a few weeks journey.

https://travelandclimate.org/transport-calculations

https://www.theguardian.com/travel/2006/dec/20/cruises.green

[–] amio@kbin.social 1 points 1 year ago (1 children)

Not when you're hitching a ride on a cargo ship, no, like the person you're replying to said.

[–] lily33@lemm.ee 2 points 1 year ago

But that's not a real alternative - you can't redirect all isn't traffic to hitch a ride in cargo ships.