While meat production is a relatively modest contributor to climate change, it represents humankind’s single largest impact on natural landscapes. Today, humans use more than one-quarter of Earth’s land surface for meat production. And the spread of pasture for cattle and other domesticated animals continues to threaten many endangered species, including mountain gorillas and yellow-eyed penguins. During the last 300 years, an area of forests and grasslands almost as large as North America was converted into pasture, resulting in massive habitat loss and driving the significant declines in
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