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Scientists’ Concerns Challenge Conservative Sea-Level Rise Projections

Yale Climate Forum

This video considers the current estimates of sea level rise as possibly too conservative and discusses more recent data on ice melt rates coming from Antarctica and Greenland, showing rates of melt at up to 5 times as rapid. Scientists discuss what levels and rates of sea level rise have occurred in the past, including the Pliocene, which demonstrated 1m rise every 20 years.

Video length is 6:22 min.

Learn more about Teaching Climate Literacy and Energy Awareness»

ngssSee how this Video supports the Next Generation Science Standards»
Middle School: 6 Disciplinary Core Ideas, 2 Cross Cutting Concepts
High School: 6 Disciplinary Core Ideas, 2 Cross Cutting Concepts

Climate Literacy
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Energy Literacy

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2.4 Water stores and transfers energy.
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2.7 Effects of changes in Earth's energy system .

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 for use with lessons on global warming, ice melt, and sea level rise.
  • Could be used to prompt students to consider how scientists measure current data, by looking at past events as examples, as well as how scientists continue to monitor data and adjust projections based on new evidence.
  • A good video to pair with another, older one that outlines an earlier prediction for icecap melting rates.

About the Science

  • This video describes new evidence that scientists are collecting to show that ice sheets may be more vulnerable than previously believed, which has large implications for sea level rise.
  • Comments from expert scientist: The video clearly communicates parallel between Pliocene levels of CO2 and modern levels of CO2, and illustrates both graphically and in map form Pliocene coastlines (example: Florida). It shows scientists from all over the world, male & female, showing urgency as they talk about their research findings suggesting that major ice sheets are much less stable than previously presumed.

About the Pedagogy

  • Good mix of graphics and expert commentary.
  • Inclusion of ancient scientific data from Pliocene connects ancient climates to modern and demonstrates how Earth has changed over time.
  • Starts off as somewhat alarmist but continues as a useful resource.
  • Comments from expert scientist: The video jumps quickly between ideas and therefore might be better for older students.

Next Generation Science Standards See how this Video supports:

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