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Changing Planet: Melting Glaciers
http://www.youtube.com/watch?v=XNjIjnFaqgQ

NBC Learn video - Changing Planet, Windows to the Universe

This NBC Learn video features climate scientists doing their research on Mt. Kilimanjaro to study the climate of the past. The scientists put the recently observed changes on the glacier into perspective by comparing past climate fluctuations, stressing that the current observed rate of change is unprecedented.

Video length: 6:44 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
Other materials addressing 4e
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
Climate plays an important role in the global distribution of freshwater resources. Changing precipitation patterns and temperature conditions will alter the distribution and availability of freshwater resources, reducing reliable access to water for many people and their crops. Winter snowpack and mountain glaciers that provide water for human use are declining as a result of global warming.
About Teaching Principle 7
Other materials addressing 7b

Benchmarks for Science Literacy
Learn more about the Benchmarks

Even with similar results, scientists may wait until an investigation has been repeated many times before accepting the results as correct.
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 can be used as a hook to the accompanying learning activity http://www.windows2universe.org/teacher_resources/melting_glaciers.html or for any class on climate change.
  • Important to bring the topic of effects of global warming to the local level and not only point out how global warming will affect cultures far away.
  • One of the only videos about Mt. Kilimanjaro specifically.

About the Science

  • Video addresses impact of melting glaciers, in particular atop Mt. Kilimanjaro, on fresh water supply and the economy of populations at its base.
  • The video also addresses the shrinking of the glacier on Mt. Kilimanjaro via melting and sublimation attributed in part to decrease in precipitation in East Africa and Indian Ocean as surface temperatures rise.
  • Comment from expert scientist: The included video is good and presents good introductory level information about glaciers and how they are changing.

About the Pedagogy

Technical Details/Ease of Use


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