this post was submitted on 18 Mar 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.

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Your grass-fed burger isn’t better for the planet, new study finds | Grass-fed beef has no climate benefit — even when taking into account that healthy pastureland can trap carbon (wapo.st)
submitted 5 days ago by [email protected] to c/[email protected]
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[–] [email protected] 5 points 5 days ago* (last edited 5 days ago) (2 children)

I would say it puts a lower upper limit on the amount of cattle a certain area can feed, unless the cows don't get extra food. This results then in fewer greenhouse gases being emitted.

[–] [email protected] 3 points 5 days ago

Grass fed doesn't necessarily mean grazing. Capitalists gonna capitalize, so factory farms will buy grass grown elsewhere and stuff it into the cattle troughs with candy factory seconds and all the growth hormone they can legally ingest. If farmers clear cut old growth rainforests to grow grass feed because it takes more space to get the same output, then it's very bad for the environment.

[–] [email protected] 2 points 5 days ago

This is the argument I've heard. You get more nutrition from a field if you grow feed crops and less if it's just grazed, so grass-fed yields less cows per acre. It doesn't change the amount of methane per cow.