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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Trees and land absorbed almost no CO2 last year. Is nature’s carbon sink failing? (www.theguardian.com)
submitted 2 weeks ago by vovo@lemmy.dbzer0.com to c/climate@slrpnk.net
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[–] horse_battery_staple@lemmy.world 32 points 2 weeks ago* (last edited 2 weeks ago)

Preliminary study from one location, extrapolated globally using an AI driven data model

In 2023, the CO2 growth rate was 3.37 ± 0.11 ppm at Mauna Loa,

https://arxiv.org/pdf/2407.12447

Again this is very concerning and something climate scientists did not plan for however, it is a preliminary study based on an AI model.

Of course human driven climate change is the main cause of the mass extinction in the current Holocene. Any unhandled variables in our research and prediction models must be taken seriously. I'm curious to see if this work will be corroborated from other data elsewhere in the globe, especially from McMurdo station and the CRU in Iceland.