The Arctic Circle On Thin Ice /
For thousands of years, the only threat to polar bears came from humans. Nothing has changed-except now it is fossil fuel consumption, not spears and guns, that pushes Ursus maritimus toward extinction. Depicting the hapless species as the proverbial canary in a coal mine, this program studies the i...
| Other Authors: | Films for the Humanities & Sciences (Firm), Infobase., National Film Board of Canada. |
|---|---|
| Format: | Video |
| Language: | English |
| Published: |
New York, N.Y. :
Infobase,
[2010], c2009.
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| Physical Description: |
1 streaming video file (42 min.) : sd., col., digital file. |
| Series: |
Artic circle.
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| Subjects: |
| Summary: |
For thousands of years, the only threat to polar bears came from humans. Nothing has changed-except now it is fossil fuel consumption, not spears and guns, that pushes Ursus maritimus toward extinction. Depicting the hapless species as the proverbial canary in a coal mine, this program studies the intensifying impact of climate change on the Arctic region. Viewers learn how the entire Arctic food chain, from tiny zooplankton to the ringed seal to the mighty polar bear, is under stress from ice depletion-and how severe drops in sea-ice thickness are related to the alarming appearance of meltwater channels and crevasse-like pits across glaciers in Norway and Greenland. Animated views of these anomalies help illustrate what is happening to the frozen landscape. |
|---|---|
| Item Description: |
Encoded with permission for digital streaming by Infobase on Sept. 11, 2010. Films on Demand is distributed by Infobase for Films for the Humanities & Sciences, Cambridge Educational, Meridian Education, and Shopware. Global Warming and Arctic Ice (2:39) -- Glacial Melt Water (5:38) -- Glacial Bedrock (1:58) -- Polar Bears: Threatened Species (4:26) -- Changes in Polar Bear Behavior (4:11) -- Effects of Global Warming (2:24) -- Arctic Food Chain Threatened (2:09) -- World Scientists at North Pole (5:15) -- Polar Bear Monitors (1:46) -- Shrinking Arctic Ice Cap (4:25) -- Fate of the Polar Bear (5:29) -- Credits: The Arctic Circle: On Thin Ice (0:49) Access requires authentication through Films on Demand. For thousands of years, the only threat to polar bears came from humans. Nothing has changed-except now it is fossil fuel consumption, not spears and guns, that pushes Ursus maritimus toward extinction. Depicting the hapless species as the proverbial canary in a coal mine, this program studies the intensifying impact of climate change on the Arctic region. Viewers learn how the entire Arctic food chain, from tiny zooplankton to the ringed seal to the mighty polar bear, is under stress from ice depletion-and how severe drops in sea-ice thickness are related to the alarming appearance of meltwater channels and crevasse-like pits across glaciers in Norway and Greenland. Animated views of these anomalies help illustrate what is happening to the frozen landscape. 6 & up. Mode of access: Internet. System requirements: FOD playback platform. |
| Physical Description: |
1 streaming video file (42 min.) : sd., col., digital file. |
| Format: |
Mode of access: Internet. System requirements: FOD playback platform. |
| Audience: |
6 & up. |
| Access: |
Access requires authentication through Films on Demand. |