The National Academy of Sciences together with the National Science Foundation held a celebration on 6 April 2009 to recognize the achievements of the International Polar Year 2007-2008 (IPY). The
meeting included highlights of IPY projects, including such topics as climate change, sea ice stability, Antarctic ecosystems, and people in the Arctic. Presentation videos detailing various aspects of IPY
research are available here.

Posted presentations include:

- "Welcoming and Opening Remarks," by James White, Ralph J. Cicerone, and Arden L. Bement, Jr.;
- "How the Past Informs the Future," by Richard Alley, Pennsylvania State University;
- "Responses to Sea Ice in Transition," by Hajo Eicken, University of Alaska Fairbanks;
- "Ice Sheet Stability and Global Sea Level," by David Holland, New York University;
- "A Systems View of Climate Change in the Northern and Southern Hemispheres," by Timothy Killeen, Geosciences Directorate, National Science Foundation;
- "The Arctic: IPY 1882 to IPY 2050," by Stephanie Pfirman, Barnard College; - "Antarctic Ecosystems and Climate Change," by Diana Wall, Colorado  State University; and
- "Audience Questions and Answers."

IPY fieldwork, a two-year deployment of scientists from more than 60 nations into the polar regions, officially concluded on 1 March 2009. Science results from IPY-funded research can be expected to be published for some time to come. For more information about the IPY, please click here.

To view the presentations and learn more about this celebration, please click here.