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.

Worsening fire conditions are the biggest threat. As large trees develop over centuries, large fissures form in their trunks.

For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were ...

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 ...

Undisturbed forests are crucial for a healthy climate, continuously taking carbon dioxide from the atmosphere and storing it in trees, shrubs and soil ... from clearcutting projects it approved for ...

“This ruling is a giant win,” said Adam Rissien ... Trees continue to absorb and store carbon as they grow and age. Logging, transportation and manufacturing release most of trees’ stored carbon over ...