The year is 1700, most of Pennsylvania is still covered in forests of American chestnut, white and red oaks, Eastern Hemlocks ...

In honor of Earth Day, Arbor Day and California Arbor Day, The Arbor Day Foundations, Tree Huggers, Tree People, California Re-Leaf, Old Growth Network, Walden Woods Foundation and The Fallbrook Land ...

"In nature, they wouldn't naturally cross," said researcher Louise Ferguson, who has studied the Mother Tree for 15 years. Before being retired in 2004, the tree was responsible for 3 million of ...