this post was submitted on 25 Jan 2025
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Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

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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I was jailed for four years for a non-violent climate protest – this is my prison diary (www.theguardian.com)
submitted 2 days ago by sbv@sh.itjust.works to c/climate@slrpnk.net
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I was one of a group of Just Stop Oil activists given the longest-ever UK sentences for peaceful motorway. Six months into my incarceration, this is what I have learned

Not directly related to climate change, but Just Stop Oil has been in the news a lot.

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[–] grue@lemmy.world 32 points 2 days ago* (last edited 2 days ago) (1 children)

I'm pretty sure you'd need more than a hole saw to sink a megayacht*. The hole would need to be big enough to overwhelm the bilge pumps.

*

Side note: the definition of "yacht" includes basically any boat with a cabin for sleeping and cooking, and can be 10m or even smaller. A lot of people with "yachts" are far from millionaires, let alone billionaires, and in fact many of them are basically hobos living aboard as their only residence and doing the nautical equivalent of #vanlife (which IMO is a very "solarpunk" lifestyle, BTW). Whenever we're talking in the context of sabotaging the billionaires, we really should be talking specifically about superyachts or megayachts. (This is also why we shouldn't actually be rooting for the orcas, as they are almost exclusively attacking small yachts, which aren't the correct target.)

[–] curbstickle@lemmy.dbzer0.com 5 points 1 day ago (1 children)

I'd assume it depends on how many holes per battery charge and how many batteries you can carry.

[–] grue@lemmy.world 7 points 1 day ago (1 children)

I think it would also depend on the speed one could drill holes with an underwater drill, as opposed to cutting them with some other tool (like an underwater sawzall, if such a thing exists), or making them with another method entirely. After all, it's not just an issue of battery life, it's an issue of finishing quickly so as not to get caught or give the crew time to stop/repair the damage.

[–] curbstickle@lemmy.dbzer0.com 2 points 1 day ago

Maybe a battery powered hammer and a 6" nail? Probably a lot faster, though more holes would be needed.

Need more info to make this math happen....