Local Organzations and Agencies

-  City of Pittsburgh Forestry Division  (412) 665-3625

-  Allegheny County Parks

-  Pittsburgh Shade Tree Commission

 - Pittsburgh Parks Conservancy

-  Penn State Co-operative Extenstion

-  Phipps Conservatory and Botancial Gardens

-  Western Pennsylvania Conservancy

-  Urban Ecology Collaborative

National and Regional Organizations and Agencies 

- TreeLink.org, a resource with links to innovative programs, fact sheets, local and national resources, research, and non-profit organizations
- Treesearch, a new database that allows access to Forest Service research publications online.
-  TreePeople
-  Friends of the Urban Forest
- National Alliance for Community Trees                                                                                                                                                      -
- USDA Urban and Community Forestry Northeast region
- Southern Center for Urban Forestry Research
- American Forests
- National Tree Trust
- National Arbor Day Foundation
- US National Arboretum
- Green Infrastructure planning and conservation resource
- Low Impact Development Center
- Center for Watershed Protection

Locating a Local Arborist

-  American Society of Consulting Arborists                                                                                                                                                   - International Society of Arboriculture