Grade Level: JrH-Adult
Producer: BBC
Closed Captioned: No |
Running Time: 50 mins
Country of Origin: Great Britain
Study Guide: No |
Copyright Date: 1998
Available in French:
|
Why is the Earth is so different from its neighbours? In search of the answer, this programme goes back to the formation of the Solar System and the birth of the planets. Mars is now cold and dead, Venus is a scorching pressure cooker, yet robot probes have sent back evidence which suggests that early on, both these planets were not unlike Earth, with oceans and volcanoes just like ours. So what happened? The answers throw light on the systems that have kept our planet hospitable to life for nearly four billion years. The key is an astonishing interplay between plate tectonics and life itself. The Earth's biological activity seems to depend on its geological activity, and vice versa. The links between the Earth and Life are far more profound than people imagine. Our planet is not just a rock spinning in space, but an intricate system, where changes to one part affect all the others. As living things, humans are part of that system, our own fate inextricably bound up with that of the Earth, our beautiful, extraordinary, living home. |