Stumbled across this as I was researching more about nutrition and a vegetarian diet as my sister insists a person cannot go without meat.
I’m appalled that 90% of the soy crop, 80% of the corn crop, and a total of 70% of grain grown in the U.S. goes towards feeding animals raised for food.
She lives in the U.S. so i don’t blame her for her misconceptions.
Source: Wikipedia – http://en.wikipedia.org/wiki/Vegetarian
According to a 2006 United Nations initiative, the livestock industry is one of the largest contributors to environmental degradation worldwide, and modern practices of raising animals for food contributes on a “massive scale” to air and water pollution, land degradation, climate change, and loss of biodiversity. The initiative concluded that “the livestock sector emerges as one of the top two or three most significant contributors to the most serious environmental problems, at every scale from local to global.”
In addition, animal agriculture has been pointed out as one of the largest sources of greenhouse gases — responsible for 18% of the world’s greenhouse gas emissions as measured in CO2 equivalents. By comparison, all transportation emits 13.5% of the CO2. Animal farming produces 65% of human-related nitrous oxide (which has 296 times the global warming potential of CO2) and 37% of all human-induced methane (which is 23 times as warming as CO2). It is also accused of generating 64% of the ammonia, which contributes to acid rain and acidification of ecosystems.
Animals fed on grain, and those that rely on grazing need far more water than grain crops. According to the USDA, growing the crops necessary to feed farmed animals requires nearly half of the United States’ water supply and 80% of its agricultural land. Additionally, animals raised for food in the U.S. consume 90% of the soy crop, 80% of the corn crop, and a total of 70% of its grain.
When tracking food animal production from the feed trough to consumption, the inefficiencies of meat, milk and egg production range from 4:1 up to 54:1 energy input to protein output ratio.
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