this post was submitted on 23 Apr 2025
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Climate - truthful information about climate, related activism and politics.

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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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Musk-backed XPrize gives $100 million to carbon removal start-ups | But long-term success still depends on government policy. (wapo.st)
submitted 2 days ago by silence7@slrpnk.net to c/climate@slrpnk.net
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And Musk is of course working hard to make sure no such policy is in place. Not that I expect the government to ever dedicate a significant fraction of the economy to removing greenhouse gases from the atmosphere.

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[โ€“] futatorius@lemm.ee 2 points 1 day ago

Carbon-removal is a scam. It can never be as efficient as preventing the pollution in the first place, the laws of thermodynamics guarantee that.

[โ€“] tankfox@midwest.social 2 points 2 days ago

This is Musk we're talking about here, don't propagate his feckless lies. There is no XPrize and no money will be given out.