National Geographic Geographer Juan José Valdés calls the changes in the map of Arctic ice in the 10th edition of the National Geographic Atlas of the World, "the biggest visible change other than the breakup of the U.S.S.R."
According to an article by Christine Dell'Amore, the impact of climate change on the face of the earth is more obvious than ever: "The shrinking of the Arctic ice sheet in the upcoming 10th edition of the National Geographic Atlas of the World is one of the most striking changes in the publication's history, geographers say."
The article also details a controversy over whether the atlas should represent minimum sea ice cover (which is measured at the end of summer, in September, or maximum ice cover, measured at the end of winter, in March.
Gwynn Guilford, also goes into detail about that controversy in coverage for Quartz.
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