this post was submitted on 15 Oct 2025
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As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world. About 1C of total warming. Second chart: about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability. Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases. About 0.5C of cooling with large error bars from SO2.

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Teens Who Sued Hawai‘i Say Climate Plan For Aviation Doesn’t Fly (www.civilbeat.org)
submitted 1 week ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Interisland flights are Hawaiʻi’s biggest transportation carbon producer, making up more than half of all emissions related to civilian travel in the state.

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[–] trailee@sh.itjust.works 2 points 1 week ago (1 children)

Well it’s not necessarily just about inconvenience. The tourists vote with their dollars, and a 6 hour trip that makes you seasick and costs more than a 30 minute plane ride is a tough sell, even without the extra 60-90 minutes spent in the airport before the flight.

[–] Nirile@slrpnk.net 3 points 1 week ago (1 children)

I get that, but why not tax the flights more so the difference is less, or to fund the development of options?

[–] trailee@sh.itjust.works 4 points 1 week ago (1 children)

Sure, there’s a potential path forward there. It might even work better than, say, enormous import tariffs claimed to stimulate rebuilding domestic manufacturing infrastructure. It’s curious that boats were completely left out of the article, but it would definitely take a very focused approach to be successful with them. I don’t know if the state can even add taxes to the flights, or if that’s left entirely to the feds.

[–] Nirile@slrpnk.net 2 points 1 week ago

Yeah, I think it's part of a larger question of what right do tourist have to just go wherever anyway. Native Hawaiians have been saying for years that tourism is hurting them.