this post was submitted on 21 Jan 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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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Half of world’s CO2 emissions come from just 32 fossil fuel firms, study shows | Critics accuse leading firms of sabotaging climate action but say data increasingly being used to hold them to account (www.theguardian.com)
submitted 5 days ago by silence7@slrpnk.net to c/climate@slrpnk.net
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I will note that these are scope 3 emissions, so it includes the emissions associated with fossil fuels extracted by these firms and burned by others, as well as those from electrical generation when end consumers use the electricity.

These are Scope 3 Category 11 emissions, corresponding to "use of sold products", however this has been modified to quantify emissions from each fossil fuel company’s net production of oil, gas, or coal as opposed to sold products.

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[–] zaphod@sopuli.xyz 3 points 5 days ago

If you drive a car that burns fossil fuels than you're responsible for the emissions. But the company selling you the petrol and the manufacturer of the car are also responsible. They are lobbying the governments of the world so that they can continue selling you petrol and cars with internal combustion engines instead of investing in greener technologies.