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Glacier Melt
http://video.nationalgeographic.com/video/player/environment/global-warming-environment/glacier-melt.html

National Geographic

This short video shows an example of melting alpine glaciers in the Austrian Alps (Goldberg Glacier). Disappearing alpine glaciers have social and environmental impacts, including the decline of fresh water supplies and contributing to sea level rise.

Video length: 2:41 min.

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Climate Literacy
About Teaching Climate Literacy

Based on evidence from tree rings, other natural records, and scientific observations made around the world, Earth’s average temperature is now warmer than it has been for at least the past 1,300 years. Average temperatures have increased markedly in the past 50 years, especially in the North Polar Region.
About Teaching Principle 4
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Environmental observations are the foundation for understanding the climate system. From the bottom of the ocean to the surface of the Sun, instruments on weather stations, buoys, satellites, and other platforms collect climate data. To learn about past climates, scientists use natural records, such as tree rings, ice cores, and sedimentary layers. Historical observations, such as native knowledge and personal journals, also document past climate change.
About Teaching Principle 5
Other materials addressing 5b

Benchmarks for Science Literacy
Learn more about the Benchmarks

Scientific investigations usually involve the collection of relevant data, the use of logical reasoning, and the application of imagination in devising hypotheses and explanations to make sense of the collected data.
Explore the map of concepts related to this benchmark

Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • Video does not provide any background that connects global warming and glacial melt. It might be a good hook to serve as an introduction to a class period that covers this topic.

About the Science

  • Overview of the observational evidence of ice melting in glaciers.
  • Scientist is followed in his field area and part of his research methods are filmed.
  • Video demonstrates use of scientific measurement procedures and the quantitative observational analysis of retreat of glaciers over last 100 years in Austrian Alps.
  • Comments from expert scientist: It highlights that glacier melt in the Alps and other regions has a major impact on seasonal water supply. This is a very pressing point and while the impact of glacier melt on sea level rise is very important, the impact on water resources is even more urgent. Decent visuals. Describes two types of measurements the scientist is making.

About the Pedagogy

  • Example of glacial melt comes from the Austrian Alps. Educator will have to make sure students understand that the problem is global and not local to Europe.

Technical Details/Ease of Use

  • National Geographic shows an advertisement at the beginning of the video. Educator can pause the video right after the advertisement to ensure that class only sees video or consider embedding the resource in a page without advertising.
  • High-quality visuals; though the voice of scientist is fairly quiet in comparison to narrator. The full-screen video quality is grainy and may not be suitable for classroom projection.

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