Energy/Environment Global warming: Yet another threat to Southwest's iconic pinyon pine?

Add to the long-studied global-warming perils of drought, insects, and wildfires, a new potential threat to the pinyon pine: dramatically lower production of seed-bearing cones.

By , Staff writer

AP Photo/U.S. Forest Service Gila National Forest, Steven Meister

Over the past decade, researchers have documented the increased vulnerability of large stands of a Southwestern forest icon – the pinyon pine – to the dangers associated with a warming climate: drought, insects, and wildfires.