Diet for a Small Planet

Lappe, Frances Moore. 1971. Diet for a Small Planet. New York Ballantine Books. 

Another reason that some consumers choose to obtain protein from nonanimal sources is to lessen their environmental impact. Since at least the 1965 publication of Diet For a Small Planet individuals have become conscious that their individual food choices have global consequences. The production of plant-derived protein has a lesser environmental impact than does the production of similar amounts of animal derived proteins. Although soy protein is somewhat lacking in sulfur-containing amino acids such as methionine and cysteine, it is considered a complete source of protein containing aU essential amino acids necessary for the building and maintenance of hmnan body tissues. 

LAPPE, F.M. Diet for a Small Planet, Ballantine Press, New York. 1975, p. 411. PHILLIPS, D. A., Flavonoids Plant signals to soil microbes, in Phenolic Metabolism in Plants (H. A.Stafford, and R. K Ibrahim, eds.). Plenum Press, New York. 1992, pp. 201-231. 

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