Over the past decade the Mountain Pine Beetle (Dendrocthonus ponderosae) has killed millions of pine trees from New Mexico to the Yukon Territory, as a result of an unprecedented explosion in their ...

The fossilized remains of Whitebark pine trees found beneath a melting ... This transformed what was a high mountain tree-filled landscape into the alpine tundra there today.

From valley bottoms all the way to the tree line, nearly every single pine has been killed by an enemy smaller than a thumbtack: the mountain pine beetle. Tour British Columbia, and the scale of ...

Any other driver would have rolled down the bumpy mountain path without a second thought about the large but scraggly pine tree on the south face of the mountain. Only a Band-Aid-shaped metal tag ...