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.

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 older stands are blue magenta. Everything that’s younger is yellows or oranges or light greens. You can color it any way ...

The melting of glaciers in the Rocky Mountains led to a remarkable discovery: a 5,900-year-old whitebark pine forest ... is 180 meters above the current tree line. The tree line, also known ...

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 ...

Forest-Wood Archi-Tect has designed Forest-Tree Classroom in Hsinchu, Taiwan. The Forest-Tree Classroom project is a hands-on shelter, built with a sustainable canopy consisting of the four ...