this post was submitted on 14 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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Global emissions set to peak in 2024 thanks to EVs, clean energy | New research predicts global CO2 emissions will begin to decline this year and halve by 2050. That’s not fast enough (www.canarymedia.com)
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[–] nevemsenki@lemmy.world 15 points 2 months ago (2 children)

I'll belive it when I see it. As in, aerial CO2 PPM increase slows down at least.

[–] Thorry84@feddit.nl 4 points 2 months ago

Yeah agreed I remember reading back then that 2020 would be peak, but we've sailed right past that and emissions were higher than predicted. And we've kept on increasing even with the covid dip pushing things down.

[–] houseofleft@slrpnk.net 4 points 2 months ago

Yeah, hopefully this is some genuinely good news, but it's hard not to see it as an unbelievably positive spin on the fact that this year we'll emit more CO2 than any year in record.