PolarConnect event with John Wood and Dr. Sue Natali participating in the Carbon Balance in Warming and Drying Tundra expedition in Healy Alaska. There were some technical difficulties in the archive, so you can access Part 1 of the archive here and Part 2 of the archive is here.
The Live from IPY event was held on May 5, 2008 with Katie Pena and the research team on the Nathanial B. Palmer Icebreaker in the Drake Passage between Chile and Antarctica. About 160 students and adults participated from about 8 different groups.