this post was submitted on 05 Jan 2026
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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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Plants can’t absorb as much CO2 as climate models predicted (www.sciencedaily.com)
submitted 4 days ago by Gsus4@mander.xyz to c/climate@slrpnk.net
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[–] Gsus4@mander.xyz 10 points 4 days ago* (last edited 4 days ago) (1 children)

Everything is going to happen faster and sooner than expected...which is essentially what we were seeing anyway...2.5C here we go.

[–] fujiwood@lemmy.world 6 points 4 days ago* (last edited 4 days ago) (1 children)

I predict 3°C+ by 2050.

:`)

[–] ilillilillilillililli@lemmy.world 3 points 4 days ago (1 children)

You wanna bet on it? No, seriously. Let's recklessly gamble on prediction markets regarding the collapse of humanity.

[–] fujiwood@lemmy.world 2 points 4 days ago* (last edited 4 days ago)

It's not that reckless of a prediction.

https://www.climate.gov/news-features/understanding-climate/climate-change-global-temperature

"Highlights

Earth’s temperature has risen by an average of 0.11° Fahrenheit (0.06° Celsius) per decade since 1850, or about 2° F in total.
    The rate of warming since 1982 is more than three times as fast: 0.36° F (0.20° C) per decade.
2024 was the warmest year since global records began in 1850 by a wide margin.
    It was 2.32 °F (1.18 °C) above the 20th-century average of 57.0 °F (13.9 °C).
    It was 2.62 °F (1.35 °C) above the pre-industrial average of 56.7 °F (1850-1900).
The 10 warmest years in the historical record have all occurred in the past decade (2015-2024). "