Standing, L-R: Bill Kloidt, Tom Mimnall, Amy Evans, Mark Zeamer, Ron Fritz Seated: Claire Storm The Columbia Tree Society has begun its annual membership drive for 2015. The society is the fundraising auxiliary for the Columbia Borough Shade Tree Commission. Membership dues enable the shade tree commission to purchase and maintain street trees in the borough. Over the last 20 years, the Shade Tree Commission planted approximately 770 trees in the community, as well as maintaining street trees, and has received the National Arbor Day Foundation's "TREE CITY USA" designation for 22 consecutive years. The Columbia Borough Shade Tree Commission strives to encourage street tree plantings as well as yards, parks, and public places, since trees retain large volumes of rainfall, thereby reducing and cleansing runoff. They also increase property values, reduce air pollution, calm traffic, and lower noise levels. Manageable stormwater runoff results from abundant tre...