But a new study finds that, despite this apparent rebirth, younger forests may not offer those birds the same quality of ...

And a tree doesn’t stop getting larger—as ... This finding contradicts a long-held premise in forest ecology—that wood production decreases during the old age of a tree.

The forest began to struggle about 5,500 years ago due to drops in summer temperatures. This transformed what was a high mountain tree-filled landscape into the alpine tundra there today.

The new rule can’t come soon enough,” said Randi Spivak, public lands policy director at the Center for Biological Diversity. “The Forest Service routinely targets mature and old-growth trees for ...