What is to be done about the Times Comprehensive Atlas of the World, and its map of Greenland? Some scientists have told the publisher, Harper Collins, that the map is misleading, because it greatly exaggerates the disappearance of ice in the Arctic. Sheena Barclay, managing director of Collins Geo, the imprint which publishes the atlas, explains why the confusion has arisen and Today reporter Tom Feilden outlines the background to the story.

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