Geologist Ian Stewart explain in three stages of natural history the crucial interaction of our very planet's physiology and its unique wildlife. Biological evolution is largely driven bu adaptation to conditions such as climate, soil and irrigation, but biotopes were also shaped by wildlife changing earth's surface and climate significantly, even disregarding human activity.

Join singer-songwriter Billy B as he educates children about energy cycles in nature involving the sun, plants, water and other natural resources.

14-part special in which botanist Francis Hallé explains forest science and processes. Part of the "Once Upon a Forest" physical release.