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Changing Planet: Thawing Permafrost and Methane
http://www.nbclearn.com/changingplanet/cuecard/52627

NBC Learn, UCAR

This video examines the thawing of permafrost due to changes in climate and shows examples of the impacts that warming temperatures have on permafrost in the Arctic, including the release of the greenhouse gas methane. Dramatic results are shown, including sink holes forming on the landscape and beneath buildings, roads, and other infrastructure, causing some communities to relocate.

Video length: 6:47 min.

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Climate Literacy
About Teaching Climate Literacy

The amount of solar energy absorbed or radiated by Earth is modulated by the atmosphere and depends on its composition. Greenhouse gases—such as water vapor, carbon dioxide, and methane—occur naturally in small amounts and absorb and release heat energy more efficiently than abundant atmospheric gases like nitrogen and oxygen. Small increases in carbon dioxide concentration have a large effect on the climate system.
About Teaching Principle 2
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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
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Human activities have affected the land, oceans, and atmosphere, and these changes have altered global climate patterns. Burning fossil fuels, releasing chemicals into the atmosphere, reducing the amount of forest cover, and rapid expansion of farming, development, and industrial activities are releasing carbon dioxide into the atmosphere and changing the balance of the climate system.
About Teaching Principle 6
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Scientists and economists predict that there will be both positive and negative impacts from global climate change. If warming exceeds 2 to 3°C (3.6 to 5.4°F) over the next century, the consequences of the negative impacts are likely to be much greater than the consequences of the positive impacts.
About Teaching Principle 6
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man activities are impacting the climate system
About Teaching Principle H
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Ecosystems on land and in the ocean have been and will continue to be disturbed by climate change. Animals, plants, bacteria, and viruses will migrate to new areas with favorable climate conditions. Infectious diseases and certain species will be able to invade areas that they did not previously inhabit.
About Teaching Principle 7
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mate change will have consequences for the Earth system and human lives
About Teaching Principle C
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Energy Literacy

Environmental quality is impacted by energy choices.
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7.3 Environmental quality.
The quality of life of individuals and societies is affected by energy choices.
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Energy affects quality of life .
Greenhouse gases affect energy flow through the Earth system.
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2.6 Greenhouse gases affect energy flow.
Physical processes on Earth are the result of energy flow through the Earth system.
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Physical processes on Earth are the result of energy flow .

Benchmarks for Science Literacy
Learn more about the Benchmarks

Sometimes, scientists can control conditions in order to obtain evidence. When that is not possible, practical, or ethical, they try to observe as wide a range of natural occurrences as possible to discern patterns.
Explore the map of concepts related to this benchmark
By burning fuels, people are releasing large amounts of carbon dioxide into the atmosphere and transforming chemical energy into thermal energy which spreads throughout the environment.
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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

About the Science

  • The video reviews the impacts of warming temperatures on the thawing of permafrost in the Arctic with potential release of the greenhouse gas methane. In addition, thawing permafrost damages the infrastructure of communities and facilities at high latitudes.
  • Comments from expert scientist: A straightforward video that outlines main concepts and impacts on the Arctic. Lacks references.

About the Pedagogy

  • There is a lesson for grades 5-9 that accompanies the video.
  • This video is content-rich with excellent visuals.
  • Engaging video - things explode

Technical Details/Ease of Use

  • Quality of video itself is good. There is slight graininess when viewed at full-screen.
  • The video can be embedded.
  • Ads are very distracting on edges of page - may want to consider this when displaying it to the class.

Related URLs These related sites were noted by our reviewers but have not been reviewed by CLEAN

http://www.windows2universe.org/earth/changing_planet/permafrost_methane_intro.html

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