this post was submitted on 07 May 2025
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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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World's wealthiest 10% have contributed to two-thirds of global warming since 1990, study finds (phys.org)
submitted 3 days ago by RockBottom@feddit.org to c/climate@slrpnk.net
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cross-posted from: https://slrpnk.net/post/21822936

"If everyone had emitted like the bottom 50% of the global population, the world would have seen minimal additional warming since 1990,"

The study assesses the contribution of the highest emitting groups within societies and finds that the top 1% of the wealthiest individuals globally contributed 26 times the global average to increases in monthly 1-in-100-year heat extremes globally and 17 times more to Amazon droughts.

The research sheds new light on the links between income-based emissions inequality and climate injustice, illustrating how the consumption and investments of wealthy individuals have had disproportionate impacts on extreme weather events

Our study shows that extreme climate impacts are not just the result of abstract global emissions, instead we can directly link them to our lifestyle and investment choices, which in turn are linked to wealth,"

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[–] nightwatch_admin@feddit.nl 30 points 3 days ago (1 children)

Special Surprise: that probably includes you and me.

[–] Tiresia@slrpnk.net 10 points 3 days ago (4 children)

I don't have a car and I don't eat meat, so it definitely doesn't include me.

[–] hex_m_hell@slrpnk.net 4 points 2 days ago

Oh, do you happen to have a military? That's actually a big chunk of the reason Americans have such a high carbon footprint... That and an entire society built around making it almost impossible to live without a car.

[–] Beastimus@slrpnk.net 2 points 2 days ago

Epic! I hope to be able to ditch my car in the next two years, and I've mostly stopped eating meat too, and I haven't turned my AC/Heat on since February (and then not for long.) I feel like taking the kind of steps needed to drastically reduce your share of emissions is easier than a lot of people make it out to be. (Though obviously it depends on life circumstances.)

[–] silence7@slrpnk.net 8 points 3 days ago* (last edited 3 days ago)

That's two of the big three sources of household emissions. There's a third one though: which is heating and cooling.

I'd look at getting those off of fossil fuels next, and doing what you can to get electricity from renewables.