Episode 2, Snowball EarthDVD - 2005
Back to two billion years ago, to this first ice age that gripped the earth for what scientists believe was millions of years. Reveals the startling secrets of how life survived this devastating cold and how this extreme climate shift forever changed the development of life on earth.
Publisher: [Montréal] : National Film Board of Canada, c2005
Branch Call Number: DVD 576.8 MIR
Characteristics: 1 videodisc (ca. 50 min.) :,sd., col. ;,4 3/4 in
Alternative Title: Snowball Earth [DVD]