I heard something to do with Nitrogen and …cow farts(?) I am really unsure of this and would like to learn more.
Answer -
4 Parts
- Ethical reason for consuming animals
- Methane produced by cows are a harmful greenhouse gas which is contributing to our current climate crisis
- Health Reasons - there is convincing evidence that processed meats cause cancer
- it takes a lot more calories of plant food to produce the calories we would consume from the meat.
Details about the answers are in the comments
Because you need considerably more resources to grow meat than you need to to grow a nutritionally equivalent amount of vegetables.
How is that true though? A cow can just eat grass, no need for any vegetable growing just let them sit in a field
Most deforestation today is to grow animal feed.
In the UK?
If it is anything like here they supplement the feed with a ton of soy beans, which is causing huge problems in Brazil. iirc 87% of soy is used for cattle.
https://theconversation.com/livestock-grazing-is-preventing-the-return-of-rainforests-to-the-uk-and-ireland-198014
You forget that most land was forested (even in Europe) before humans decided that grass was more useful than trees.