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This video demonstrates how melting land ice raises sea level, but melting sea ice does not. See how warming in far-away places like Antarctica matters to people on coasts world-wide. Teachers can repeat this demonstration with inexpensive materials.
You can download the full resolution video at http://www.nps.gov/media/video/view.htm?id=2EAFFECC-E1F4-DF0B-5EB0EFF45020AECA