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© L. Greenwood, The Nature Conservancy Guest Commentary Published October 18, 2016 Trees and forests all over North America are threatened by invasive tree-killing insects and diseases. These pests don’t normally move very far on their own, but they...

The New York State Department of Agriculture is moving forward with new efforts to combat and slow the spread of the emerald ash borer, an invasive beetle that damages and kills ash trees. On May 14, New York State Department of Agriculture and Markets...

PETERSHAM, Mass. (AP) — In a towering forest of centuries-old eastern hemlocks, it’s easy to miss one of the tree’s nemeses. No larger than a speck of pepper, the Hemlock woolly adelgid spends its life on the underside of needles sucking sap, eventually...

PETERSHAM, Mass. (AP) — In a towering forest of centuries-old eastern hemlocks, it’s easy to miss one of the tree’s nemeses. No larger than a speck of pepper, the Hemlock woolly adelgid spends its life on the underside of needles sucking sap, eventually...

The scourge of insect pests is expected to put almost two-thirds of America's forests at risk over the next decade. The problem is projected to cost several billion dollars every year for dead tree removal and jeopardize longstanding U.S. industries...