The city plans to treat about 5,000 of the 11,000-plus trees on city property with an insecticide called emamectin benzoate, City Forester John Wynn said. The city has begun a ...

The emerald ash borer probably came to the U.S. accidentally in 2002 in cargo packing material. It has spread to at least 35 states and was found in Fairfax County in 2008.

Continuing on the stream-of-consciousness introduced last week, let’s outline some features of a healthy stream. After all, ...