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).
Also, concentrating animals tightly together produces huge volumes of waste, more than can be recycled into nearby farmland, creating noxious air and water pollution. Moreover, it's inherently inefficient to feed edible grains to farm animals, when we could just eat the grain, Smil adds.