Recommended reading: “If Everyone Ate Beans Instead of Beef” from The Atlantic
According to the United Nations, 33 percent of arable land on Earth is used to grow feed for livestock. Even more, 26 percent of the ice-free terrestrial surface of Earth is used for grazing livestock. In all, almost a third of the land on Earth is used to produce meat and animal products.
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If every American substituted beans for beef—even if nothing about our energy infrastructure or transportation system changed and people kept eating chicken and pork and eggs and cheese—this one dietary change could achieve between 46 and 74 percent of the reductions needed to meet the 2020 greenhouse-gas emission goals.
