John talks about the plants and crops that were exchanged when the Europeans first came to the New World and introduced many new vital crops like corn, potatoes, and spices to the world.

While working as tomato harvestors, Carlos and the workers are ambushed by Migration Services. Police brutally arrest them, and the workers fear for their lives.

Explores the changes, especially the health effects, involved with the shift towards settled life and agriculture in the early urban community of Catalhoyuk.

In this clip, John gives advantages and disadvantages to humans transitioning to agriculture.

Following the Dust Bowl catastrophe, greater amounts of land became dedicated to wheat production and local inhabitants believed the Dust Bowl was behind them. However, in the 1950s, symptoms of a relapse were looming. Luckily, many farmers used Howard Finnell's conservation practices; therefore, the catastrophe was averted.