this post was submitted on 07 Nov 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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‘Politicians actually taking action’: six world mayors defying climate-sceptic populist leaders (www.theguardian.com)
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From Sierra Leone to Milan, cities are introducing their own rules and innovations in the face of rising temperatures

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[–] knomie@feddit.org 1 points 1 week ago

They are trying good things. Unfortunately, none of these cities have concrete plans to get to 0 emissions, which would be necessary. Just trying to mitigate the consequences will not help, if those same consequences keep getting worse due to our emissions.

So please, mayors, get your cities to 0 emissions.