this post was submitted on 18 Sep 2026
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Climate

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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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Al Gore Is Still Sounding the Alarm About Climate Change (www.nytimes.com)
submitted 2 weeks ago by silence7@slrpnk.net to c/climate@slrpnk.net
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The former vice president will speak today on the topic, in advance of Climate Week and as President Trump lifts limits on greenhouse gas emissions from power plants.

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[–] HubertManne@piefed.social 4 points 2 weeks ago

Yeah I have to say I have been a doomer for awhile and honestly global warming was not even on my radar till the aughts. I mean environmentalism for awhile but not specifically the co2 problem. Feels that way anyway. What gets me is despite my doomerism I did not realize how bad it would be with the rich/powerful going nuts hoarding and pushing for more use of fossil fuels. Its like if we had done the best we could since the start of the millenium we were in for a rough ride and we consistantly stick pretty close to worse case.