Did Antarctica initiate the ice age cycles?

Gradual buildup of Antarctic ice sheets preceded extensive Northern Hemisphere glaciation about 3 million years ago [Also see Report by Woodard et al. ]

Bibliographic Details
Published in:Science
Main Author: McKay, Robert
Format: Article in Journal/Newspaper
Language:English
Published: American Association for the Advancement of Science (AAAS) 2014
Subjects:
Online Access:http://dx.doi.org/10.1126/science.1262048
https://www.science.org/doi/pdf/10.1126/science.1262048
Description
Summary:Gradual buildup of Antarctic ice sheets preceded extensive Northern Hemisphere glaciation about 3 million years ago [Also see Report by Woodard et al. ]