this post was submitted on 29 Oct 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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Plans to cool the Earth by blocking sunlight are gaining momentum but critical voices risk being excluded. (theconversation.com)
submitted 2 weeks ago by Dot@feddit.org to c/climate@slrpnk.net
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[–] radiohead37@lemmynsfw.com 22 points 2 weeks ago (2 children)

What could possibly go wrong?

[–] Thassodar@lemm.ee 3 points 2 weeks ago (1 children)

They tried it in the Piers Anthony book Rings of Ice and that ended up absolutely terribly when the ice they took into space started melting and causing unending flooding.

[–] astropenguin5@lemmy.world 3 points 2 weeks ago

So like... Don't build it out of ice then? Also it's a book that may or may not be fully accurate, and should be taken as a thought experiment and story

There are plenty of valid concerns but that is not one of them lol