this post was submitted on 11 Sep 2023
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The common thing there is that they're smaller animals. When you raise a large animal like a cow you need to sustain that extra size for the entire time they grow.
You can see from the graphs that the smaller animals don't matter. It's per kg of consumed food per kg of CO2.
That also means that meats which are more nutrient rich and bioavailable are often as good as plant alternatives. This only gets better with time and eventual lab grown alternatives.
Altering diets for husbandry has made huge strides in lowering emissions too.
Vegans can Doomer emissions as much as they want to but it's already solved lol. The market will get there just like every other green intiative because turns out people and money DOES care about the future.
The biggest issue with eating meat currently is their shit poor living conditions and treatment. Even separating calves early for dairy isn't nearly as bad for yields as people previously thought too. Like any industry it takes time to make change.
https://www.businessinsider.com/the-top-10-foods-with-the-biggest-environmental-footprint-2015-9
https://www.eenews.net/articles/changing-cows-diets-could-curb-emissions-will-farmers-dig-in/
https://www.theguardian.com/environment/2019/jun/29/mums-ask-when-cows-and-their-calves-separated-rise-ethical-milk-vegan