this post was submitted on 25 Jul 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:

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Earth is heating up faster than at any time in its history (www.newscientist.com)
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[–] SapphironZA@sh.itjust.works 4 points 1 day ago (1 children)

I would argue, there were asteroid impacts that did it a little more quickly.

Humans need to try harder to self KT line itself to that level. At this point we will only be a slight discolouration layer with sightly higher metallicity a few million years from now.

[–] binux@sh.itjust.works 8 points 1 day ago* (last edited 1 day ago) (1 children)

…there were asteroid impacts that did it a little more quickly.

They mention that in the article:

Perhaps barring the immediate aftermath of the dinosaur-obliterating asteroid impact 66 million years ago, atmospheric carbon dioxide levels have never risen as quickly as they have in the last couple of centuries.

[–] SapphironZA@sh.itjust.works 1 points 1 day ago

Shh, don't let a little thing like factual details get in the way of of my clumsy attempt at satire.

😂