It’s estimated that three-quarters – 74% – of land livestock are factory-farmed. That means that at any given time, around 23 billion animals are on these farms.
You’ll find the environmental effects are more so categorical than because of how its produced
How do the distributions between plant-based and meat-based sources compare?
Plant-based protein sources – tofu, beans, peas and nuts – have the lowest carbon footprint. This is certainly true when you compare average emissions. But it’s still true when you compare the extremes: there’s not much overlap in emissions between the worst producers of plant proteins, and the best producers of meat and dairy.
Globally, factory farming is dominant
https://ourworldindata.org/how-many-animals-are-factory-farmed
You’ll find the environmental effects are more so categorical than because of how its produced
https://ourworldindata.org/less-meat-or-sustainable-meat
this uses poore nemecek 2018 and so it can be safely ignored