The difficulties of logging saved giant sequoias in other groves from this fate. Courtesy of National Park Service Another factor that can end the lives of big trees, of course, is logging.

The machine makes giant trees look like nothing more than toothpicks. Ponsse is a Finnish company that makes industrial logging machines like this tree harvester. Forget axes: this video of one of ...

Giant old trees are survivors. But their size and age do not protect them against everything. They face threats such as logging or intensifying drought and fire as the climate changes. Tasmania ...

The biggest of northern California’s giant redwood trees grow more than 250 ft ... But they have been disturbed. Years of logging have left less than 5 percent of the old-growth coastal redwood ...

Giant old trees are survivors. But their size and age do not protect them against everything. They face threats such as logging or intensifying drought and fire as the climate changes. Tasmania ...

WASHINGTON— Environmental groups delivered 144,000 public comments today urging the U.S. Department of Agriculture and U.S. Interior Department to protect mature and old-growth forests and trees on ...