Cows, lambs, pigs, goats produce a lot of methane. The contribution to total greenhouse emissions is another hidden cost people don't normally account for. We c

Cows, lambs, pigs, goats produce a lot of methane. The contribution to total greenhouse emissions is another hidden cost people don't normally account for. We clear forests to make room for more farms to feed the growing demand for meat around the world. If a plant-based diet doesn't become more popular and mainstream, we are headed for trouble by mid century.