This is a decent article: What Would Happen If Everyone Suddenly Stopped Eating Meat? (msn.com)
The TL;DR short answer is – a lot of bad things would happen throughout the world if we banned meat, including health problems, lack of food availability, massive unemployment, putting land out of service (most land is already used for its highest value – if they could grow corn and make more money than growing meat, they would have done that), and much range land can’t grow other crops besides grasses.
Yet, there are many climate and nutrition and vegan activists pushing for a ban on meat.
