It nourishes soil, spreads seeds, creates openings for sunlight ... It’s a telltale sign of a tree that was killed by mountain pine beetles, and it has generated a cottage industry in siding ...

The indigenous people of the Four Corners area of Utah, Colorado, Arizona, and New Mexico historically became more dependent ...

The pine is the most widespread tree to receive such protection ... Efforts are under way to collect seeds from apparently disease-resistant individuals and outplant seedlings. It’s also important to ...