this post was submitted on 16 Apr 2024
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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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Beef produces 85 kg CO2e per kg of food. Tofu produces 2.9 kg CO2e per kg of food. (ourworldindata.org)
submitted 7 months ago by testeronious@lemmy.world to c/climate@slrpnk.net
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[โ€“] Blackmist@feddit.uk 4 points 7 months ago (1 children)

Why is beef from a beef herd worse than beef from a dairy herd?

[โ€“] jol@discuss.tchncs.de 10 points 7 months ago* (last edited 7 months ago)

I think just because dairy cows live longer. Beef cows are killed younger, you don't need to wait until their milk production dwindles. It's not clear if accounting for the milk carbon footprint was taken into account or not.