Ecologists are concerned that forest ecosystems will not keep pace with a rapidly changing climate, failing to remain healthy ...

If you thought the ancient evergreens at California's Big Basin Redwoods State Park were old, the state's bristlecone pines ...

In a Swiss pine forest, the treetops are being sprayed with mist in a bid to discover the effect that drier or wetter air has ...

More than 600,000 acres of the Los Padres National Forest in California could re-open to industrial logging and road-building ...

More than half a million acres of trees spread across Washington were sick, struggling, or dead last year, according to the results of an aerial survey of forests by the ...

Long-term plans to develop a community forest south of St. Helena took another step forward on Saturday. About 35 volunteers ...