John, co-owner of a farm, explains the process of factory farming. He mentions that it includes raising the cattle and deciding which ones to sell to use for meat. This clip mentions that factory farming takes up so much land and resources and ultimately "cannot be sustainable."
After an encounter with Sly Sludges' mechanical Octopus, Gi wakes up to find herself in the underwater city of Oceanus. Her rescuer, Pontious, outlines sustainable, environmentally safe methods for sustaining the underwater city, such as extracting oxygen from sea water to create a breathable atmosphere inside of the glass dome containing Oceanus.