Robbie Toggweiler, Researcher, Oceans and Climate Group, Geophysical Fluid Dynamics Laboratory, NOAA, Princeton University

A Modest Role for Atmospheric CO2 in the Progression of Ice Ages

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November 2, 2006, 2 PM, Haller Hall (**NOTE DIFFERENT TIME**)

Duncan Wingham, Director, Centre for Polar Observational Modelling, Professor of Climate Physics, University College London

The 'instability' of the West Antarctic Ice Sheet: for too long a hypothesis?

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November 9, 2006, 3:30 PM, Haller Hall (**NOTE DIFFERENT TIME**)

Robert Walko and Roni Avissar, Department of Civil and Environmental Engineering, Duke University

The Ocean-Land-Atmosphere Model (OLAM): A new generation of Earth System Model

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December 4, 2007 (Monday), 2 PM, Geological Lecture Hall (**NOTE DIFFERENT DAY, TIME, AND LOCATION**)

Harry Elderfield, Department of Earth Sciences, University of Cambridge

Carbonate mysteries revisited: what do foram proxies tell us about seawater history and what do they tell us about forams?

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January 4, 2007, Term Break

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February 1, 2007, 4 PM, Haller Hall

Paul Wennberg, R. Stanton Avery Professor of Atmospheric Chemistry and Environmental Science and Engineering, Caltech

Measurements of the column distribution of CO2: a new constraint for understanding surface exchange

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March 1, 2007 No Climate Seminar this month

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Tuesday April 3, 2007, 1:30 PM, Faculty Lounge, Hoffman 4th flr (**NOTE DIFFERENT DAY, TIME, AND LOCATION**)

Raymond Pierrehumbert, Professor, Department of the Geophysical Sciences, The University of Chicago

Mountain glaciers, the vertical distribution of precipitation, and the seasonal cycle

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May 3, 2007, No Climate Seminar this month