this post was submitted on 24 May 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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Trump Orders Faster Build-Out of Nuclear Power Plants | Among a flurry of executive actions, Mr. Trump directed the nation’s nuclear safety regulator to speed up approvals for new reactors. (www.nytimes.com)
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It's worth noting that he also fired many of the staff who know how to ensure that they're actually safe, as well as the staff who would approve financing.

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[–] mycelium_underground@lemmy.world 4 points 16 hours ago (4 children)

I'm confused as to what you think powers a star.

[–] shalafi@lemmy.world 1 points 4 hours ago (1 children)

OP means fusion power vs. fission.

[–] mycelium_underground@lemmy.world 1 points 2 hours ago

So you are saying fusion isn't an atomic level process?

[–] Tetragrade@leminal.space 4 points 11 hours ago (2 children)

solar panels, duhh. why'd you think they were called that?

[–] mycelium_underground@lemmy.world 1 points 2 hours ago (1 children)

Between that comment and your username you must be a pretty great person.

[–] Tetragrade@leminal.space 1 points 1 hour ago

Uhh thanks I guess? You too

[–] endeavor@sopuli.xyz 1 points 11 hours ago

Best TIL I've had in a while.

[–] PagPag@lemmy.world 2 points 16 hours ago (1 children)

They are suggesting that pursuing fusion is better…

[–] mycelium_underground@lemmy.world 1 points 2 hours ago

And I'm suggesting that fusion is an atomic level process.

[–] DeathsEmbrace@lemm.ee 0 points 16 hours ago (1 children)

Well both of you are incorrect because a star is when gravity creates enough energy to cause nuclear fusion.

[–] mycelium_underground@lemmy.world 1 points 2 hours ago

Yeah that's still atom powered.