This clip provides an overview of dinosaurs, including when they were roaming the Earth and the two main groups that descended from the Archosaurs. It also describes what they ate and how they behaved. This clip then offers some surprising facts about their extinction.

Kip talks to members of an environmental organization about why they do not talk about the harmful effects that animal products have to the environment. The gases that are released when raising livestock for food and drinks are more harmful than other fossil fuels. Because of the increase in meat and dairy consumption, there is going to be a major increase in dangerous pollution. He notes that the industry is destroying oceans, animals, and other water consumption problems. But Kip is also worried about why the government is not talking about this.

Professor Actual Factual tells Brother and Sister a little about the environment within Bear Country, including the problem of the increasing size of the landfills. He expresses the importance of taking care of the environment through a couple of ways.

Beakman explains how leaves lose chlorophyll using a cartoon video. Then he explains the role of chlorophlyll in photosynthesis verbally. To further demonstrate, Beakman acts like the "chef" chlorophyll that provides food for the plant.

Hank explains in-depth the series of reactions that take place for a plant to produce food for itself, also known as photosynthesis. This video also explores the prerequisites (sunlight, carbon dioxide, and water) of these reactions. Key Words: Xylem, Stomata, Chlorophyll, Chloroplast, Thylakoid, Photoexcitation, Photosystem II, Electron Transport Chain, Cytochrome Complex, ATP