What would happen if the world suddenly went vegetarian?

Eliminating meat from our diets would bring a bounty of benefits to both our own health and the planet’s – but it could also harm millions of people. Rachel Nuwer investigates.
Read more: http://www.bbc.com/future/story/20160926-what-would-happen-if-the-world-suddenly-went-vegetarian?source=Snapzu