this post was submitted on 30 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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Warmth is weakening the polar vortex. Here’s what it means for extreme cold. (wapo.st)
submitted 1 day ago by [email protected] to c/[email protected]
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[–] [email protected] 3 points 23 hours ago (1 children)

So far we haven’t had arctic outbreaks on the west coast. I’m hoping this weather pattern isn’t as possible here. Otherwise my avocado tree might be in trouble.

[–] [email protected] -4 points 19 hours ago

people are freezing to death and you're worried about your avocado tree