Promotes solar and reusable energy through several projects. Describes how individuals can foster the cause.

Learn about the term commonly used to denote the energy supply that can be derived from a biological quantity.

Discusses the exchange of carbon between living organisms, the presence of carbon dioxide in the atmosphere, and global warming.

Check out the parts to the vast interconnected network of food and energy. Learn about detritus eaters and carnivores.

Learn about this ecological concept that outlines a nutrients path through the biological world. Includes the carbon and water cycle.