One of the strangest characteristics of the industrial economy is the ability to increase production again and again without ever noticing – or without acknowledging – the costs of production. That one Holstein cow should produce 50,000 pounds of milk in a year may appear to be marvelous – a miracle of modern science. But what if her productivity is dependent upon the consumption of a huge amount of grain (about a bushel a day), and therefore upon the availability of cheap petroleum? What if she is too valuable (and too delicate) to be allowed outdoors in the rain? What if the proliferation of
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