In each episode, geologist Dr. Iain Stewart explains the effects and importance of a specific force of nature, such as wind or volcanism. He also examines the various ways in which it shapes planet earth itself and influences life on it, often in conjunction with other natural forces, and sometimes with lifeforms, as in the 'apocalyptically' grave case of global warming.

The history of our planet is epic from its birth out of cosmic rubble to the unique complex of land, sea, atmosphere and life we know now. See how water was transported to Earth's surface inside millions of meteors. Through CGI re creations, meet the inhabitants of Earth over the ages, from slimy mats of algae to the great dinosaurs and the ancestors of mammals and humans.

Pollution, climate change and a growing human population are all putting pressure on Earth's wildernesses including the Bialowieza forest, the Gobi desert & the Arctic tundra. So how much of the planet is wilderness? And why should we care? Into The Wilderness explores why these uninhabited expanses are important for our survivalas well as that for all creatures on the planet.

The history of our planet is epic from its birth out of cosmic rubble to the unique complex of land, sea, atmosphere and life we know now. See how water was transported to Earth's surface inside millions of meteors. Through CGI re-creations, meet the inhabitants of Earth over the ages, from slimy mats of algae to the great dinosaurs and the ancestors of mammals and humans.

In each episode, geologist Dr. Iain Stewart explains the effects and importance of a specific force of nature, such as wind or volcanism. He also examines the various ways in which it shapes planet earth itself and influences life on it, often in conjunction with other natural forces, and sometimes with lifeforms, as in the apocalyptically grave case of global warming.

Many of the creatures featured in Planet Earth are endangered so do we face an extinction crisis? Saving Species asks the experts if there really is a problem, looks at the reasons behind the declining number of particular animals and questions how we choose which species we want to conse.