Snowball Earth Theory

Related Links

Snowball Earth
http://www.sciam.com/2000/0100issue/0100hoffman.html
An in-depth article on the Snowball Earth theory in "American Scientist".

Earth: Escaping the big freeze
http://helix.nature.com/nsu/000525/000525-10.html
Background article on the snowball theory in "Nature"

GCM simulations of Snowball Earth conditions during the late Proterozoic.
http://earth.agu.org/GRL/articles/1999GL900538/GL111P01.html
Article in "Geophysical Research Letters"

Oxygen May Be Cause Of First Snowball Earth
http://www.sciencedaily.com/releases/1999/10/991029071656.htm
Article from Science Daily.

The Snowball Earth
http://eps.harvard.edu/people/faculty/hoffman/snowball_paper.html
A scientific presentation by Paul F. Hoffman and Daniel P. Schrag, who also wrote an article on the topic in "Scientific American".

Snowball Earth
http://www.newscientist.com/ns/19991106/snowballea.html
A feature article in "New Scientist" on the frozen Earth theory.

Evolving Metazoans on Snowball Earth?
http://www-geology.ucdavis.edu/~GEL3/slushball.html
Background information on the Snowball Earth theory.