Pimentel, David
December 1981
BioScience;Dec1981, Vol. 31 Issue 11, p791
Academic Journal
The article presents the author's comments on the issue of energy consumption in the food system of the U.S. Adding to the high energy consumption is the practice of feeding about 90% of all grains to the livestock to provide animal protein foods that Americans desire. According to the author, in the wake of growing population, raising more food by increasing yields on the limited world croplands will require more energy, and new energy sources may cause serious environmental problems.


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