President Herbert Hoover promised "a chicken in every pot and a car in every garage." With warnings about global warming reaching feverish levels, many are having second thoughts about all those cars. It seems they should instead be worrying about the chickens.
Last month, the United Nations published a report on livestock and the environment with a stunning conclusion: "The livestock sector emerges as one of the top two or three most significant contributors to the most serious environmental problems, at every scale from local to global." It turns out that raising animals for food is a primary cause of land degradation, air pollution, water shortage, water pollution, loss of biodiversity, and not least of all, global warming.
That's right, global warming. You've probably heard the story: emissions of greenhouse gases like carbon dioxide are changing our climate, and scientists warn of more extreme weather, coastal flooding, spreading disease, and mass extinctions. It seems that when you step outside and wonder what happened to winter, you might want to think about what you had for dinner last night. The U.N. report says almost a fifth of global warming emissions come from livestock (i.e., those chickens Hoover was talking about, plus pigs, cattle, and others)–that's more emissions than from all of the world's transportation combined.
source: The Huffington Post