Estimated to be 13,000 to 18,000 years old, the tree — known ... and ecology at the University of California at Davis, said of the difference between clonal trees and traditional trees.

Having a tree or a grove named for you or a loved one doesn’t come cheap, and the names have to be legally approved by the California State Park and Recreation Commission. But after that, the age-old ...

The U.S. Forest Service has proposed increased logging on federal lands in the Pacific Northwest to combat wildfires and boost rural economies.

California’s forests continue to see mass die-offs of trees as a result of too little water, insect infestation and disease. But last year’s wet winter provided at least some relief ...

And I realized that within the last few inches of that tree's life, we'd very nearly liquidated a 2,000-year-old forest." A ragged blanket of coastal fog in northern California’s Humboldt ...

The world’s largest tree is located in California’s Sequoia National Park ... No one has ever climbed the 2,200-year-old tree that was before this year. Researchers led by Anthony Ambrose ...

dry climates of Southern California," Wang said. "Shrub and chaparral ecosystems might end up expanding further into areas where big trees and old forests used to thrive." In future work ...