In the upper reaches of North America’s alpine terrain, the whitebark pine has lived for centuries, with many trees surviving for as long as 800 years. But today the species is on a serious decline, and some scientists believe the trees are waving a red flag at us. Download entire issue to view this article: http://country-survey-collabs.info/issues/23.1/download-entire-issue%3C/a%3E

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