this post was submitted on 24 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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Companies have still drawn down only enough CO2 to cancel out a few hours of US emissions. Here’s what it will take to really scale up the sector. (www.technologyreview.com)
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[–] HubertManne@piefed.social 7 points 3 days ago

ugh. the article talks about it as an economic issue which annoys me. I have not encountered anything that in practice is proven to actually sequesters more carbon than it creates. I mean im fine with small scale poc type experimentation but if something is going to be scaled up they need to really look at if it can sequester more than it produces at each level of scale and be sure in a six sigma kind of way.