ghost forests photograph by kevin weidemann

The Ghost Forests of Yellowstone

...the whitebark die-off shows how climate change can set off chain reactions that radically alter ecosystems. The weather on the high mountains where whitebark grow used to be too frigid for mountain pine beetles, but warming temperatures have allowed an outbreak to reach epic scale.

...the gray skeletons of whitebarks will stand for a century or more to remind visitors of the vibrant habitat that once was.
— Elizabeth Shogren, NPR News

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