Dr. Luz Caludio discusses the impact of the environmental surroundings on physical health and how its presence can cause not just damage to the ecosystems but to living things.

This clip describes the disastrous impact that our use of plastic has on the environment. It describes how plastic pollutes our waters and subsequently harming wildlife that ingest it.

Erin tells her friend about the poisoned drinking water in Hinkley, California. Her friend says that a doctor told her everything was fine, but Erin mentions that the doctor was paid for by PG&E, the company that contaminated the water.

John Green goes into detail on the Industrial Revolution, how it improves our lives even today, and the reaction to it.

This clip discusses the extreme income inequality that emerged out of The Gilded Age and how the population in the US doubled following new advances and technologies of the era.