this post was submitted on 23 Oct 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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Earth Is Getting Darker, Which Could Accelerate Global Warming | The planet’s brightness is dimming—changing rainfall, circulation and temperature (www.scientificamerican.com)
submitted 5 days ago by silence7@slrpnk.net to c/climate@slrpnk.net
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The paper is here

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[–] dontsayaword@piefed.social 9 points 5 days ago (1 children)

On first read of the headline I thought it meant it was getting darker on earth, which didn't sound warm. But actually the earth is reflecting less light energy back to space.

[–] Auk@lemmy.world 5 points 5 days ago

So space is getting colder.