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00:05:16
Paulo Olivas points out the different equipment he uses to measure the amount of greenhouse gases being released from the tundra.

00:01:36
B-Roll for playback during webcast, "Tundra and Climate Change with Steve Hastings," on 5/24/08. Footage includes shots of data gathering, facilities and landscape at the Barrow Environmental Observatory.

00:00:24
The Jakobshavn Isbrae is among the fastest-moving glaciers in the world. The Jakobshavn is an outlet glacier, one of the few places where the giant Greenland ice sheet can shed ice in the form of gigantic icebergs. This timelapse video by Jason Amundson of the University of Alaska Fairbanks shows one of these massive calving events. Notice the dark blue ice that surfaces when the iceberg flips over in the ice-choked Ilulissat icefjord.

Join host Mary Miller and Dr. Mickey Glantz in a discussion on issues around climate change and how it may affect communities.

00:29:34
Join Exploratorium staff scientist Charlie Carlson as he continues to examine issues around the Gulf Stream and climate change.

00:38:45
Dr. Stephen H. Schneider joins us to discuss climate change. Dr. Schneider was honored in 1992 with a MacArthur Fellowship for his ability to integrate and interpret the results of global climate research through public lectures, seminars, classroom teaching, and research collaboration with colleagues.

00:10:32
Join Senior Scientist Paul Doherty as he explains the difference between floating ice and land ice, and why they effect sea levels differently.

00:11:46
Join Senior Scientist Paul Doherty as he measures the power used by two lightbulbs--one incandescent and one fluorescent--that make the same amount of light.

00:07:54
Join Senior Scientist Paul Doherty as shows how to melt ice unbelievably fast!

00:16:25
Join Exploratorium staff as they give the quick answers to the most frequently asked questions about global warming: What is a "tipping point"? What are carbon credits? What is carbon neutral? What can I do? What can my kid do?