Livestock farming produces "65 percent of human-related nitrous oxide, which has 296 times the Global Warming Potential ( GWP ) of CO2 and it accounts for respectively 37 percent of all human-induced methane (23 times as warming as CO2), which is largely produced by the digestive system of ruminants, and 64 percent of ammonia, which contributes significantly to acid rain" (Mathews). ... " ( The Pollution Of Lakes And Reservoirs ) Marine biodiversity is also suffering the effects of livestock , " Intensive animal production systems produce high levels of nitrogen and phosphorus ...

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