The document discusses the large amounts of energy required at each stage of meat production, including growing feed crops, housing livestock, and slaughtering animals. Specifically, it notes the energy used to transport seeds, pesticides, farm equipment, livestock, and meat, as well as to power housing facilities, slaughter equipment, and processing/packaging plants. The document concludes that meat production relies on insecure energy sources that are harsh on the environment and that a vegetarian lifestyle would significantly reduce energy consumption and help create more secure food sources.