this post was submitted on 25 Dec 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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[–] django@discuss.tchncs.de 60 points 2 days ago (3 children)

The problem with realistic climate change solutions is, that they often involve things like "consume less" and "degrowth", to which very rich and powerful people seem to be allergic.

[–] Auli@lemmy.ca 6 points 1 day ago

Which is also why they pushed recycling so much. Doesn't stop your consumption.

[–] theneverfox@pawb.social 5 points 1 day ago (2 children)

In fairness, the machine can not stop or go in reverse. It'll tear itself apart violently

It also can't go forward much further before it runs out of gas, so... We could prepare for that, but I think we're just going to cover up the fuel gauge and hope for the best

[–] Auli@lemmy.ca 5 points 1 day ago (1 children)

It could slow down. But people think we can have infinite growth in a finite system.

[–] theneverfox@pawb.social 4 points 1 day ago

It can't slow down, or you get increasingly large bubbles

Like the AI bubble. The US economy has slowed down in nearly every other area, so everyone put the money into AI, the one growth area. Which made the bubble bigger, and more attractive for investment, and so on

Now when the AI bubble pops, it's going to create bills no one can pay. And if we manage through that crisis, the next one will be larger. It's the nature of a debt based economy

This ends in a jubilee, where the debts are forgiven, through hyperinflation, where the debts are shrunk into nothing, or the people in charge keep arguing about it until the starving peasants burst in

[–] qevlarr@lemmy.world 3 points 1 day ago

Failure of the imagination and lack of political courage