Courtesy of National Park Service Another factor that can end the lives of big trees ... premise in forest ecology—that wood production decreases during the old age of a tree.

One Florida southern live oak, aptly named “Big Tree,” is over 400 years old ... It's in the Inyo National Forest between the Sierra Nevada range in California and the Nevada border.

The new Western Forest area will include a mix of 20m ... But she conceded there was much more to do in order to hit England's national tree-planting target. "I am absolutely confident that ...

The national champion ... tree in the Illinois Big Tree Register. The Illinois champion cottonwood was nominated by Todd Tucker, executive director of the Byron Forest Preserve District since ...