Industrial Meat Bad, Small Farm Good? It's Not So Simple
And when it's harder to feed animals, they also produce more emissions. For example, cattle scrounging for food in arid East Africa might release the equivalent of 1,000 pounds of carbon for every pound of protein they produce. Compare that with many parts of the U.S. and Europe, where a cow might generate about 10 pounds of carbon per pound of protein.
The paper also reminds us that India is the world's biggest producer of milk and China, the largest producer of pork. Asia accounts for 55 percent of global pork production, dwarfing Europe (26 percent) and the U.S. (17 percent).