S1, E5: Professor Iain Stewart explores the negative and positive effects that human beings have on the planet's geological cycles.
Documentary · Jun 22, 2010 · 45 min
Information
- Released
- 2010
- Run Time
- 45 min
- Rated
- PG
- Region of Origin
- United Kingdom
- © 2010 BBC/BBC America
Languages
- Original Audio
- English (United Kingdom), English
- Audio
- English (United Kingdom) (AAC)
- Subtitles
- English (CC)
Accessibility
- Closed captions (CC) refer to subtitles in the available language with the addition of relevant non-dialogue information.