Synopsis
Liz Bonnin visits a cattle feedyard, a mass factory farm, that contains about 50,000 cows.
Similar broadcast resources

Sustainable meat production | Meat: A Threat to Our Planet?
Liz Bonnin discusses the importance of understanding the process behind the meat we eat (warning: this clip contains material that may be difficult for some viewers).

Pig farming and water pollution | Meat: A Threat to Our Planet?
Liz Bonnin investigates the polluting impact of pig manure from factory farms.