this post was submitted on 27 Jan 2024
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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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Not Invisible Anymore: Satellites reveal sources of atmospheric methane (spacenews.com)
submitted 9 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] silence7@slrpnk.net 2 points 9 months ago (1 children)

Three types of problems:

  • oil and gas facilities with a leak. You may release more methane by expanding the hole
  • cows. The cattle themselves are innocent. It's the people raising them are the problem
  • insurance: one off attacks don't do much as a result. It takes repeated and sustained harm to shut thigns down, which means you're likely to end up up in prison
[–] jaxxed@lemmy.world 1 points 9 months ago (2 children)

Can you explain the cow comment further please?

[–] naeap@sopuli.xyz 1 points 9 months ago

Not op, but: Cows emit methane, but that's just their natural state as they fart. The problem is how many we have in the meat production industry

Someone correct me, but I think that was the gist.
Or did I understand you wrong? :⁠-⁠\

[–] silence7@slrpnk.net 1 points 9 months ago

Cows use bacteria in their digestion to break down ceulose into something they can digest. Those bacteria produce methane, which the cows burp out.

Killing a few cows accomplishes nothing; you need to get people to stop raising them.