this post was submitted on 21 Jul 2023
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https://www.theguardian.com/travel/2006/dec/20/cruises.green
Not at all. This article is 17 years old and planes have only gotten more efficient whilst the same old cruise ships continue to so the seas.
Plus a more recent article
https://www.treehugger.com/what-is-greener-boat-vs-plane-emissions-5185547
This is green washing. Making planes burn less fuel is nice, but it doesn't change the physics of burning them St high altitude.
The only way to fix that is to burn lower to the ground. Ships will always be more environmental friendly way to cross oceans.