this post was submitted on 20 Mar 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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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The historic U.S. heat wave is rattling climate scientists. Here's what they have to say (www.sfchronicle.com)
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[–] HubertManne@piefed.social 1 points 23 hours ago

oh yeah but we got so fucked with the hanging chads. I mean with the progress we could have made it would have made it that much harder for them to take hold and then also like obamas administration would have leaned that much more left and it might have made a huge difference with internet laws and things may have been pretty different for swartz and snowden. Manning might not have even been a thing given we would not have the multiwar. Might have had a better canidate than hilary at that point to.