I live north of Atlanta, GA. Riding through the countryside on a hot day, I’ll hit a patch of bad air, downwind from some large chicken houses. The stench is unbearable.
Factory farms pollute the surrounding air and water. Hog farms may be the worst polluters.
Cattle: Nebraska 644
Hogs: Iowa 3,876
Dairy: California 1,075
Broilers (chickens): Georgia 959
Layers (chickens): Pennsylvania 75
Source: Food & Water Watch