A: Levaquin is an antibiotic that is used to treat all kinds of bacterial infections. Doctors usually prescribe this drug for treating infections of kidneys, bladder, skin, and sinuses. However, in recent years, levaquin has been linked to a number of severe side effects and birth defects.
Air. 1  The massive amounts of excrement produced by livestock farms emit toxic gases such as hydrogen sulfide and ammonia into the air. Roughly 80% of ammonia emissions in the U.S. come from animal waste (The U.S. Environmental Protection Agency).
The U.S. Food and Agriculture Organization says that agricultural methane output could increase by 60 percent by 2030 [Source: Times Online ]. The world's 1.5 billion cows and billions of other grazing animals emit dozens of polluting gases, including lots of methane. Two-thirds of all ammonia comes from cows. Cows emit a massive amount of methane through belching, with a lesser amount through flatulence. Statistics vary regarding how much methane the average dairy cow expels.