May 13, 2014
Walita Kay Williams, Pacific Southwest Research Station, U.S. Forest Service
It’s Clean Air Month, and roadside trees are cleaning the air and helping us feel better. If you live in an area where there’s a lot of people and traffic, air quality may have crossed your mind at one point or another—and rightly so. In recent years, the health of people living, working or going to...
Conservation
Forestry