Curated OER
Hog Watch
Sixth graders assume the roles of the staff of an Environmental Regulatory Agency and must assess the amount of damage caused by hog factories. Working in groups, they make recommendations that will decrease the impact of hog factories...
PBS
Chicago: City of the Century: "Everything but the Last Breath of the Hog"
A brief look at Philip Armour's goal to use all of the slaughtered animal, cow or hog, to make all sorts of products. Because these animal parts were no longer dumped into the Chicago River, it reduced water pollution.