What Ice Cores Tell Us About Earth’s Climate Future
March 10, 2026
LIVE at 3:00 PM ET / 2:00 PM CT / 1:00 PM MT / 12:00 PM PT
LIVE at 3:00 PM ET / 2:00 PM CT / 1:00 PM MT / 12:00 PM PT
Presented by Marlo Shaw
Deep within the ice sheets of Greenland and Antarctica lie detailed records of Earth’s past climate. Expedition Leader Marlo Shaw explains how scientists drill and analyze ice cores to uncover ancient atmospheres, temperature shifts and volcanic events. Learn how these frozen archives reveal regular cycles of warming and cooling—and why today’s rising global temperatures stand out in the record. Marlo also connects these findings to real-world impacts in polar ecosystems, from polar bears and shrinking sea ice to humpback whales and our rapidly warming oceans.
Deep within the ice sheets of Greenland and Antarctica lie detailed records of Earth’s past climate. Expedition Leader Marlo Shaw explains how scientists drill and analyze ice cores to uncover ancient atmospheres, temperature shifts and volcanic events. Learn how these frozen archives reveal regular cycles of warming and cooling—and why today’s rising global temperatures stand out in the record. Marlo also connects these findings to real-world impacts in polar ecosystems, from polar bears and shrinking sea ice to humpback whales and our rapidly warming oceans.
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PO Box 3065 · Boulder, CO, USA 80307
303-449-3711 International · 800-543-8917 U.S. & Canada
PO Box 3065 · Boulder, CO, USA 80307
303-449-3711 International · 800-543-8917 U.S. & Canada