Program Schedule

April 22–23, 2004
Roone Arledge Auditorium

Thursday April 22

9:00 a.m.    Welcoming Remarks
Jeffrey Sachs (Columbia University)

9:15 a.m.    Introduction to Day 1
G. Michael Purdy (Columbia University)

9:45 a.m.    Keynote
Michael McElroy (Harvard University)
"Earth's Changing Climate: Past, Present and Future"

10:30 a.m.    Break

11:00 a.m.    Session 1: Climate Change Defined

Chair, Richard Alley (Pennsylvania State University)
Wallace Broecker (Columbia University)
"An Insurance Policy Against a Damaging Global Warming"
Mark Cane (Columbia University)
"Climate Variation and Climate Change"
Steven Wofsy (Harvard University)
"Global Forests and Climate"

12:30 p.m.    Lunch Break

2:00 p.m.    Session 2: Responding to Climate Change: Living in a Greenhouse

Chair, Upmanu Lall (Columbia University)
Sir Partha Dasgupta (Cambridge University)
"Discounting Future Gains and Losses"
Jonathan Patz (Johns Hopkins University)
"Climate Variability, Climate Change and Disease"
Atiq Rahman (Bangladesh Centre for Advanced Studies)
"Responding to Climate Change: Living in a Greenhouse (A View from the South)"
Cynthia Rosenzweig (Columbia University)
"Climate Change and a Global City: Potential Consequences in the New York Metropolitan Region"

3:30 p.m.    Session 3: Responding to Climate Change: Can We Stop It?

Chair, Christopher Field (Carnegie Institute at Stanford)
Raul Estrada-Oyuela (Ambassador, Argentina)
"No, We Can't Stop It, However . . ."
Michael Hanemann (University of California, Berkeley)
"The Economic Costs of Action Versus Inaction"
David Keith (Carnegie Mellon University)
"Technology and Climate Change"
Jorge Sarmiento (Princeton University)
"Carbon Dioxide and Climate Change"

5:00 p.m.    Closing Remarks
G. Michael Purdy

Friday April 23

9:00 a.m.    Introduction to Day 2
John C. Mutter (Columbia University)

9:15 a.m.    Keynote
Eileen Claussen, (Pew Center on Global Climate Change, Va)
"Facilitating Change: A Practical Approach to a Low-Carbon Future"

10:00 a.m.    Break

10:15 a.m.    Session 4: What Limits Our Ability to Respond to or Stop Climate Change?

Chair, Scott Barrett (Johns Hopkins University)
Geoffrey Heal (Columbia University)
"The Limits of Economic Policy-Making"
Klaus Lackner (Columbia University)
"Today's Limits to Climate Engineering"
Daniel Schrag (Harvard University)
"Ancient Perspectives on the Next 250 Years"

11:45 a.m.    Lunch Break

1:00 p.m.    Session 5: Findings: The Way Forward
Previous Panel Chairs and Keynotes

Chair, Robert Pollack (Columbia University)
Richard Alley
Scott Barrett
Partha Dasgupta
Christopher Field
Upmanu Lall
Michael McElroy

2:30 p.m.    Introduction
President Lee C. Bollinger (Columbia University) UNCONFIRMED

2:35 p.m.    Keynote
Governor George E. Pataki (Law 1970)
"New York State and the Climate"

3:30 p.m.    Keynote
Jeffrey Sachs (Columbia University)
"The Way Forward"

4:00 p.m.    Symposium Closes

Earth's Future
Scholars and decision makers discuss how to respond to climate change.

Video Archive
View video highlights of the symposium and a transcript of the proceedings.

Quotations from the speakers.
Conference Transcript
View the full text of the conference proceedings (PDF).
Related Resources
View additional online learning resources.
William Maurice Ewing
The founder of Lamont-Doherty Geological Observatory pioneered exploration of the ocean floors.

Marie Tharp
Ewing's collaborator was the first to map details of the ocean floor on a global scale.

Earth Institute at Columbia University
Explore research and teaching that connects the academic community to global public service.

International Research Institute for Climate Prediction (IRI)
Columbia researchers work to enhance society's capability to understand, anticipate and manage the impacts of seasonal climate fluctuations.
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