News tagged with bark beetle

Beetle-infested pine trees contribute more to air pollution and haze in forests

The hordes of bark beetles that have bored their way through more than 6 billion trees in the western U.S. and British Columbia since the 1990s do more than damage and kill stately pine, spruce and other trees. ...

Space & Earth / Environment

created May 23, 2012 | popularity not rated yet | comments 0