Electric utilities operate thousands of miles of overhead power lines and typically maintain hundreds of thousands of trees or more. Tree risk assessments conducted by utilities consider the risk ...

The Tumwater City Council has sent out a Request for Qualifications for another risk assessment of the historic Davis-Meeker Garry oak, bringing a fifth tree professional to help decide whether to cut ...

Mushrooms growing on trees can be a sign of decay and should be inspected by a certified arborist. Hispidus, Ganoderma, and Armillaria are three types of fungi that can indicate tree risk. Not all ...