this post was submitted on 29 Aug 2026
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Climate

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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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Cycling like the Dutch would slash the world’s carbon footprint (www.euronews.com)
submitted 1 day ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Dutch people cycle an average of 2.6 kilometres each per day. If this pattern was replicated worldwide, the study suggests, annual global carbon emissions would drop by 686 million tonnes.

This mammoth figure exceeds the entire carbon footprint of most countries, including the UK, Canada, Saudi Arabia and Australia.

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[–] Tetragrade@leminal.space 13 points 10 hours ago* (last edited 5 hours ago) (1 children)

If everybody cycled as much as the Dutch, global carbon emissions would drop by nearly 700 million tonnes per year.

For context, Wikipedia puts annual global carbon emissions in 2023 at 39,024 million tonnes. That's a 2% slash. I suppose if you find a lot of these it could add up, but without a fix for the original problem of unregulated capital expansion it's just going to fill the void.

[–] mirshafie@europe.pub 1 points 7 hours ago

For context, aviation is also about 2% of emissions. So it really isn't nothing.

But the lower-hanging fruit for me is all of the kerosene used to cook. That's also about 2% of global emissions and it's a good candidate to be fixed with solar panels and wind turbines.