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Maps now have to be redrawn to take account of shifting topography

It used to be that updated editions of world atlases mainly tracked the shifting of borders and changes in the names of cities and countries determined by politics, diplomacy or war.

The surface of the planet itself was a relatively constant template in the background. You could render it in more detail with, say, better satellite data, but the basics didn’t change much.

Now, though, the accelerating and intensifying impact of human activities is visibly altering the planet, requiring ever more frequent redrawing not only of political boundaries, but of the shape of Earth’s features themselves.

How so?

In the new edition of “The Times Comprehensive Atlas of the World” (HarperCollins, 2007), for instance, there are before-and-after views of the Aral Sea, once the world’s fourth-largest lake. It shriveled as Soviet-era irrigation projects siphoned off the rivers that replenished it. A dam completed in 2005 now prevents water from flowing out of the lake’s northern lobe, which is expanding as a result.
Read entire article at NYT