John Flesher

AP Environmental Writer

In this Oct. 31, 2018 photo, hogs feed in a pen in a concentrated animal feeding operation, or CAFO, on the Gary Sovereign farm, in Lawler, IA.

Factory Farms Provide Abundant Food, But Environment Suffers

The spread of corporate animal farms is turning neighbor against neighbor in town halls and courtrooms.

Tainted Sewage Spread on Croplands

While the sludge offers farmers a cheap source of fertilizer, there long have been concerns about contaminants in the material.