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
Yes, pulses like peanuts, beans, lentils, as well as rice and other grains (and a variety of other vegetable sources) are alternative sources of protein. As far as development, the only thing aside from plant-based meat substitutes are the new lab-grown meats that are being developed. Those are actual meat, but grown in a lab instead of on an animal’s body.