"Earth-Friendly Eating" might have included the facts of frugality without prejudice and also referred to the omnivorous nature of the human. True, cattle are often fattened (finished) in their last few weeks of life out of the public's unwise demand for fat in their meat. But cattle weren't born and raised at the grain bin. Many were raised in fields that do not lend themselves to economic cultivation.
As for ecology, cattle do a great job of controlling unwanted weeds and brush. And when one compares the amount of labor needed in raising a garden to the labor in keeping a half-ton animal in an area unsuitable for cultivation, the later wins hands down. This is not an argument against gardening, but rather an argument to use all of our resources, plus common sense, when setting the table. S. Berthelsdorf, Portland, Ore.
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