Billions of Dead Trees Force U.S. Fire Crews to Shift Tactics
The Forest Service says about 20 percent were likely killed by a massive beetle outbreak.
Pine Beetle
Bark Beetles, Eating Their Way To Cycle’s End?
U.S. Forest Service officials are reporting the second year of a significant drop in the number of tree deaths from bark beetles in western National Forests.
However, Rob Mangold of the US Forest Service says, there's an upside and a downside to the decline...