How Do We Know: Shrinking Arctic Sea Ice

This short video from Climate Central explains the technology used to monitor changes in Arctic sea ice. Long-term tracking (since the late 1970's) shows Arctic sea ice has been on a steady decline and this could have significant implications for global temperatures.

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Climate Central
Video length is 2:01 min.

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Teaching Tips

Teaching Tips

Educators may wish to use the video to introduce a discussion about Arctic sea ice. It could also act as an effective summary for such a discussion. Students can compare the data as shown up to 2009 with current information on ice extent.

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