Meatonomics is the first book to add up the huge “externalized” costs that the animal food system imposes on taxpayers, animals and the environment, and it finds these costs total about $414 billion yearly. With yearly retail sales of around $250 billion, that means that for every $1 of product they sell, meat and dairy producers impose almost $2 in hidden costs on the rest of us. But if producers were forced to internalize these costs, a $4 Big Mac would cost about $11.

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