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GreenLinks
In 2005 & 2006 NMRWA undertook volunteer street tree inventories in the watershed boroughs of Wilkinsburg, Swissvale, and Edgewood. The street tree inventory data have been analyzed using a new computer program called STRATUM.
Developed by the U.S. Forest Service and the Davey Tree Company, STRATUM will help NMRWA and the watershed boroughs calculate the economic and environmental benefits of the street trees.
Public street trees refer to those growing between the sidewalk and street or within arms reach of the street and are the responsibility of the borough. These trees are part of the urban forest and actually do a lot of work for the community, including absorbing excess storm water runoff, reducing air pollution, increasing property values, and reducing heating and cooling costs for residents and businesses.
![]() Planting Trees along the Penn Avenue Business District in Wilkinsburg |
Children working at the Stone Soup Community Garden on Franklin
Avenue. |



