![](https://webarchive.library.unt.edu/eot2008/20090509065935im_/http://www.nsf.gov/images/x.gif) News From the Field Arctic Pollution's Surprising History
![](https://webarchive.library.unt.edu/eot2008/20090509065935im_/http://www.nsf.gov/images/greenlineshort.jpg)
March 19, 2008
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Scientists know that air pollution particles from mid-latitude cities migrate to the Arctic and form an ugly haze. But, a new University of Utah study has found surprising evidence that polar explorers saw the same phenomenon as early as 1870.
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Source University of Utah
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