this post was submitted on 10 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.

Recommended actions to cut greenhouse gas emissions in the near future:

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As a Climate Scientist, I Knew It Was Time to Leave Los Angeles (www.nytimes.com)
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[–] supersquirrel@sopuli.xyz 2 points 1 week ago* (last edited 1 week ago)

Look at these figures, you are horendously off the mark with your conclusions here, California is going to continue to be a place where climate change brutalizes people and it sucks :(

https://www.budget.senate.gov/hearings/next-to-fall-the-climate-driven-insurance-crisis-is-here_and-getting-worse

Also my argument is explicitly not that baseline environmental conditions are going to wreck havoc on people's lives in California and rather that in places like California it is the increasingly wild swings in weather that is going to kill and displace people in mass amounts.

I don't think you are grasping my fundamental point. Most of the time these places will still have nice weather, it is the exceptions and the speed of them that will inveitably cause mass migration out of these areas.

Think of it as living at the bottom of a long slot canyon along a river in the desert but the entire regional climate system is the slot canyon. Most of the time it is a wonderful place to live but the bad days are really bad and the trouble is they come with little to no warning.