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Is Earth Warming?
http://www.youtube.com/watch?v=-IuVzcp39rs&list=PL38EB9C0BC54A9EE2&index=2&feature=plpp_video

National Research Council, The National Academies

This video is part two of a seven-part National Academies series, Climate Change: Lines of Evidence. The video outlines, with the use of recent research and historical data, how we know that the Earth is warming.

Video length 4:37 min.

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Climate Literacy
About Teaching Climate Literacy

Evidence is that human impacts are playing an increasing role in climate change
About Teaching Principle 4
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Global warming and especially arctic warming is recorded in natural geological and historic records
About Teaching Principle 4
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Observations are the foundation for understanding the climate system
About Teaching Principle 5
Other materials addressing 5b
Increased extreme weather events due to climate change
About Teaching Principle 7
Other materials addressing 7c

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.
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The earth's climates have changed in the past, are currently changing, and are expected to change in the future, primarily due to changes in the amount of light reaching places on the earth and the composition of the atmosphere. The burning of fossil fuels in the last century has increased the amount of greenhouse gases in the atmosphere, which has contributed to Earth's warming.
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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

  • A good video to show at the beginning of a unit on climate change.
  • May need to break video into sections because the information presented is very dense.
  • Students will need scaffolding.
  • High level - recommended for advanced classes.

About the Science

  • Comments from expert scientist: The video provides clear evidence of rising surface temperatures over the past century. It refers to the multitude of observational records - including in-situ and satellite measurements of temperature, snow and ice cover - to make the case that the Earth is warming.

About the Pedagogy

  • No supporting teaching resources with this video. Can download transcript as pamphlet.

Technical Details/Ease of Use


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