Bill Nye explains climate change and the impact it can have on the environment and our lives. He mentions consequences such as the rise in sea levels, an increase in temperature, and an increase in the occurrence of natural disasters. Bill states that, while humans may have contributed to climate change, they can also be part of the solution by reducing their carbon footprint through recycling, reusing items, and using less energy.

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.

Due to the large abundance of Christian influence in England, there was a large pressure and social expectation to follow Chiristian culture. Participation in religious practices was inbeded in culture and laws of settlements.

Captain Compost Heap (CCH) sings a song about the importance of recycling, conserving the environment, and reducing pollution. The song explains the adverse effects of neglecting the environment and provides insight into the factors causing global warming.

The influenza virus is an recurring nightmare, killing thousands of people each year. Learn how the virus attacks its host, why it's nearly impossible to eradicate, and what scientists are doing to combat it.