How is veganism is better for the planet?
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Broadly speaking, it takes something like 10 units of energy/resources at one level of the food chain to produce 1 unit of resources at the next up. This would mean 10 units of plants to produce 1 unit of herbivore, then 10 units of herbivore for 1 unit of primary predator, and so on. This is because each level of the food chain needs energy and materials just to live, only 1/10th of its consumption goes to the final product, i.e. meat, eggs, milk, etc.
Basically, this means eating plants instead of using those plants to raise livestock and eating those or their product is more resource efficient as you’re not losing calories and water just keeping the animals alive, and they’re not producing CO2 and methane to exacerbate climate change.
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