this post was submitted on 15 May 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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Climeworks’ capture fails to cover its own emissions (heimildin.is)
submitted 1 month ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] houseofleft@slrpnk.net 1 points 3 weeks ago* (last edited 3 weeks ago)

I guess the pitch is that stuff like making concrete and steel generate crazy loads of carbon, so capturing it at source in theory sounds viable and pretty effective?

That "in theory" is doing a bunch of heavy lifting though, because so far climate capture hasn't achieved anything other than being an excuse not to actually do anything about CO2 emmisions because "maybe some magic technology in 5 years will solve everything for us"