To feed the average meat-eater it takes 1 hectare which is 2 soccer fields. With a simple choice, the same land can nourish 8 people. It only takes a significant minority to massively shift from animal protein to green protein
Scientists observe that like our closest genetic cousins, we are biologically equipped to be frugivores.
Like the great ape, gladiators were fed a plant-based diet to maximise their strength.