this post was submitted on 02 May 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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[–] HaraldvonBlauzahn@feddit.org 70 points 3 weeks ago (3 children)

Interesting read.

I think what she is missing here though is the relative quantities of the petroleum and carbon involved. Using a bamboo toothbrush or even a polyruethane foam matress is totally neglectible if you still use planes, daily drive a car, or regularly eat meat.

Decarbonization is a numbers game.

But yes, we should become more aware how much is made from plastic and is not really needed. Especially packaging.

[–] pomegranatefern@sh.itjust.works 50 points 3 weeks ago (1 children)

To paraphrase a saying from memory, it is better to have 100 people doing zero petroleum imperfectly than 10 people doing it perfectly.

[–] Korhaka@sopuli.xyz 31 points 3 weeks ago

Save the oil we have for things that actually kinda need it, at least stop burning it for personal transport.

[–] superfes@lemmy.world 13 points 3 weeks ago

Agreed, additionally, reusable products count towards sustainability, or at least I'd like to think it helps some.

[–] ZkhqrD5o@lemmy.world 2 points 3 weeks ago (2 children)

Why does meat use oil, except for cooking?

[–] veganpizza69@lemmy.vg 10 points 3 weeks ago

The whole production process from growing plants down to delivering it to the last commercial freezer.

Here's a podcast introduction to this (several episodes): https://www.tabledebates.org/fueltofork

[–] KoboldCoterie@pawb.social 6 points 3 weeks ago

Not OP but pretty sure the implication is that the carbon foorprint from eating meat is ridiculously higher than what you'd save through either of the two examples they gave. Had nothing to do with oil, but they mention petroleum and carbon.