If All the Ice Melted

This visualization is a collection of maps, by continent, that project the impact on coastlines of a 216-foot rise in sea level, which is assumed to be the result of melting all the land ice on Earth.

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National Geographic staff
National Geographic

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Teaching Tips

Teaching Tips

Educators should definitely include the resources found in the tabbed sections at the top of the page.

Students may find the one-shot 216-foot rise either too large and too distant in time to bother about, or apocalyptic. Good point for jumping off into discussion.