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Science 1 February 2008:
Vol. 319. no. 5863, pp. 567 - 568
DOI: 10.1126/science.319.5863.567
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News Focus

CLIMATE CHANGE:
The Big Thaw Reaches Mongolia's Pristine North

John Bohannon

As warmer temperatures affect plants, animals, and human society, researchers ask whether ecological changes can be reversed.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)