Travel the globe to explore the history and technology behind this ancient source of nutrition. Visit a farm with a milking parlor that looks more like a cow merry-go-round. Learn what pasteurization is really all about. Discover the menagerie of animals that provide milk and learn the many ways people put their efforts to use.

Discover how air, water, earth, and fire are transformed into clean, reliable sources of heat, electricity, and even automobile fuel, and take an in-depth look at solar, wind, geothermal, biofuel, and tidal power.

A documentary that explores the history of corn in America, how it is harvested and canned, and how it can be converted into fuel.

The potato is among the most versatile, nutritious, and diverse foodstuffs in the world. Learn some new things about this amazing crop, from the potato's mysterious origins in the South American Andes to its prominence in the ethnic enclaves of New York's Lower East Side. In Northern Maine, meet a farmer of exotic potatoes, including blue, green, pink, and dark purple varieties, witness how large-scale potato producers slice, dice, freeze, and dehydrate...