A New Theory of Glacial Cycles

Much of this work has been done in collaboration with Gordon MacDonald.

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If you have a fast connection, you can view a movie of the orbits of the inner planets for the past 3 Myr.

There have been several popular articles about our work, including:

If you would like to see what the glaciers look like today, you can view of photo of the Greenland glaciers taken by Rich.