The trillion-dollar meat industry is one of our greatest environmental hazards; it pollutes more than all the world s fossil-fuel-powered cars. Global animal agriculture is responsible for deforestation, soil erosion and more emissions than air travel, paper mills and coal mining combined. It also depends on the slaughter of more than 60 billion animals per year, a number that is only increasing as the global appetite for meat swells. The whole world seems to be sleepwalking into a food crisis. But a ba