this post was submitted on 16 Apr 2024
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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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[–] ulterno@lemmy.kde.social 0 points 6 months ago (2 children)

I was surprised to see 0.34 Kg or CO~2~ per Kg of Potatoes, but now that I read this, it makes sense.
They are taking many other things into account.

[–] Skua@kbin.social 1 points 6 months ago

I'm afraid they're straight up lying. The paper doesn't mention cotton even once. See for yourself in the paper here or the database here. It doesn't even specify one type of feed for the beef cattle, because it is a meta-analsyis of hundreds of others papers about specific practices in specific areas. It takes a weighted average of those depending on how much of the world's production the area studied in each one accounts for.

[–] spud@sh.itjust.works 1 points 6 months ago

I didn't lie at all: the other user doesn't seem to know how poore and nemeceks lcas are calculated in the first place