Snowball Earth
- Synopsis
- Traces the history and evolutionary implications of a controversial theory by which the earth was covered in ice up to a kilometre thick for millions of years. Attempts to prove and disprove it include discussion of continental drift, nuclear winter and irreversible icing over, the magnetic properties of rocks, volcanos and carbon dioxide, the greenhouse effect, photosynthesis and ice formation.
- Series
- Horizon, Series
- Language
- English
- Country
- Great Britain
- Medium
- Video; Videocassette. Standard formats. col. 50 min.
- Year of production
- 2001
- Availability
- Sale; 2001 sale: £99.00 (+VAT +p&p)
- Notes
- Broadcast on BBC2 on 22/2/01.
- Subjects
- Geology
- Keywords
- earth; ice ages
Credits
- Producer
- Chris Durlacher
- Contributor
- Bettina Lerner
Distributor
- Name
BBC Active Video for Learning - now BBC Learning
- Contact
- Carolina Fernandez Jeremy Wilcox (CF - for educational enquiries JW - channel sales manager)
- BBCStudiosLearning@bbc.com
- Web
- https://www.bbcstudioslearning.com/ External site opens in new window
- Phone
- +44 (0) 20 8433 1009
- Address
- BBC Studios Limited
Television Centre
101 Wood Lane
London
W12 7FA
UK - Notes
- The BBC Active company has now been absorbed within BBC Learning, a division of BBC Studios. It was originally a joint venture between BBC Worldwide and Pearson Education. Formerly known as ‘BBC Worldwide Learning Studies’ and before that as ‘Videos for Education & Training’
Record Stats
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