Scientific American: Snowball Earth
http://www.sciam.com/article.cfm?articleID=00027B74-C59A-1C75-9B81809EC588EF21

Paul Hoffman, Daniel Schrag, Scientific American, Inc, Scientific American, Inc.


This Scientific American article describes the Snowball Earth hypothesis and the evidence supporting the hypothesis. Users can read the html article, download a printable form, email or link the article. Also available are links to other Scientific American news, an 'ask an expert' site, channels and magazine subheadings.

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Part of the Starting Point collection. The Starting Point collection includes resources addressing the needs of faculty and graduate students designing, developing, and delivering entry-level undergraduate courses in geoscience.

Starting Point
This resource is referenced here:
Subject: Geoscience:Atmospheric Science:Climatology , Geoscience:Hydrology
Resource Type: Scientific Resources:Overview/Reference Work
Grade Level: General Public
Topics: Hydrosphere/Cryosphere, Time/Earth History, Climate