this post was submitted on 29 Dec 2024
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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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We've barely managed to make a tiny dent (lemmy.blahaj.zone)
submitted 5 days ago by FundMECFSResearch@lemmy.blahaj.zone to c/climate@slrpnk.net
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[–] apotheotic@beehaw.org 12 points 5 days ago (3 children)

That period between 1990 and 1995 where there seems to be 3 consecutive years where it slowed to a relative crawl... Imagine if we did that. What if we plateaued there for a few years - decades even - and then started dropping. A wonderful thought.

[–] FundMECFSResearch@lemmy.blahaj.zone 25 points 5 days ago* (last edited 5 days ago) (2 children)

I think that’s partly due to the fall of the soviet union, which caused a noticeable drop in carbon emissions.

[–] apotheotic@beehaw.org 6 points 5 days ago* (last edited 5 days ago) (1 children)

So you're saying... /j

On a more serious note, I don't consider myself to be entirely out of the loop on historical events, but I had just never made the connection that the soviet union fell quite that recently. That's only a handful of years before I came into the world.

[–] Linedotdatdot@lemmynsfw.com 1 points 4 days ago

Except dude is talking out of his ass completely, as it takes multiple DECADES for changes in emissions levels to be reflected in atmospheric concentrations... But, ya know, reality is just like a matter of opinion now, apparently, so... It's fun to pretend tho ¯\_(ツ)_/¯