Snowball Earth (2001)

Film details

Alternative titles

  • Snowball Earth Original

Cast & Credits

Synopsis

Traces the fifty year history and evolutionary implications of a controversial theory which suggests that some 600 million years ago and for millions of years the Earth was entirely smothered in ice, up to one kilometre thick. Relates how many mysteries surrounding the `Snowball Earth' theory have now been solved, and suggests that the formerly sceptical scientific community is slowly coming round to the idea not just of the dramatic freeze, but of an equally dramatic thaw. Participants include: Prof Joseph Kirschvink of the California Institute of Technology, Prof Guy Narbonne of Queen's University, Kingston, Ontario, Profs Paul Hoffman and Daniel Schrag of Harvard University, geologist Brian Harland of Cambridge University, Prof Mikhail Budyko of the State Hydrological Institute, St Petersburg, and planetary scientist Dr Chris McKay of NASA Space Science Division.

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