this post was submitted on 03 Sep 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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Carbon storage is becoming a more mainstream climate solution. A new study says that we won’t have enough room to bury all our CO2 (www.washingtonpost.com)
submitted 4 days ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] silence7@slrpnk.net 1 points 4 days ago (1 children)

Fewer humans will still warm the world so long as they burn fossil fuels.

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

LOL, not at the rate we're at now! C'mon, you don't think the population going from 3.7 billion in my childhood to 8+ billion today isn't a major factor?

People think of their personal habits, mostly driving, when they think of global CO2. Factor in all those people eating. That's a shitload of farm CO2, and other waste. And look how fat we are in the first world!

Concrete is a major driver of CO2 emissions, something like 7-8%. Guess what all of us need to build our homes and infrastructure.

On top of that, worldwide poverty has nosedived in that time, and that's a great thing, but people that weren't burning fuel and needing plastics are doing so now. Even as population has exploded, poverty is still riding hard on the down slope. That lift out of poverty requires energy, and shitloads of it.

Depopulation is going to cause worldwide economic depression. But whether by individual choice, government decree or climate change, it's gonna happen. I don't know of any economic system that can weather this.

[–] silence7@slrpnk.net 1 points 3 days ago* (last edited 3 days ago)

When we burn fossil fuels, CO~2~ concentrations stay elevated basically forever in human terms. Half the burning since the industrial revolution has happened in the last ~30 years. The human population is young, so to make the kind of difference you're thinking of, it would mean a campaign of mass murder.

I'm not in it for that.

You can get a very modest difference in future emissions by encouraging the use of contraceptives, and educating girls, but it isn't going to get you out of the need for a rapid shift off fossil fuels.