Planning & Design

• 10 Thousand Friends - Friends works with citizens, organizations and public officials to create land use, infrastructure and governance policies and practices that protect our resources and strengthen our economy.
• American Planning Association – PA Chapter
• Community Design Center of Pittsburgh - a non-profit organization that improves quality of life through good design of the built environment.
• PA Downtown Center - Statewide nonprofit dedicated solely to the revitalization of the commonwealth's 'core' communities.
• Place Matters - This database website is a resource for communities (their professional planners, public agencies, and concerned citizens) to identify tools and processes for better community design and decision-making.
• Planetizen - A public-interest information exchange for the urban planning, design, and development community. It is a one-stop source for urban planning news, commentary, interviews, event coverage, book reviews, announcements, jobs, consultant listings, training, and more.
• Project for Public Places - a nonprofit organization dedicated to helping people create and sustain public places that build communities.

Historic & Cultural

• Historic Preservation Tax Incentives
• Pittsburgh History & Landmarks Foundation
• PA Historical & Museum Commission
• Preservation PA
• Young Preservationists

Economic Development

• Allegheny Conference
• Allegheny County Economic Development
• Allegheny Together Program
• Mon Valley Initiative
• Pittsburgh Regional Alliance
• Southwestern PA Commission

Housing

• Allegheny County Housing Authority
• Allegheny County Housing Division
• McKeesport Housing Authority
• Pittsburgh Housing Authority
• US Housing & Urban Development

Parks, Open Space, and Greenways

• Allegheny County Parks Master Plan 2001
• Allegheny Land Trust
• Chartiers Nature Conservancy
• Erie to Pittsburgh Trail Alliance
• Friends of the Riverfront
• Fox Chapel Area Land Trust
• Hollow Oak Land Trust
• PA Land Trust Association
• Pine Creek Land Conservation Trust
• Pittsburgh to Harrisburg Mainline Canal Greenway
• Rachel Carson Trails Conservancy
• Rails-to-Trails
• Riverlife
• The Conservation Fund
• The Great Allegheny Passage
• The Montour Trail
• The Scott Conservancy

Agriculture

• Allegheny County Conservation District
• PA Association for Sustainable Agriculture
• Penn State College of Agricultural Sciences
• Penn State Cooperative Extension
• Penn's Corner

Resource Extraction

• Abandoned Mine Drainage
  • http://www.chartiersgreenway.net/
  • National Association of Abandoned Mine Land Programs
• Marcellus Shale
  • http://www.dep.state.pa.us/dep/deputate/minres/oilgas/new_forms/marcellus/marcellus.htm
  • http://naturalgas.extension.psu.edu/

Transportation

• Bike Pittsburgh
• Center for Transit Oriented Development
• Complete Streets
• PennDOT Smart Transportation
• Port Authority Bus Rapid Transit
• Transportation Improvement Program (TIP)

Environmental Resources

• Montour Run Watershed Assn.
• Nine Mile Run Watershed Assn.
• PA DEP Stormwater Management Page
• PA Environmental Council, Southwest Region
• PennFuture
• Pennsylvania Outdoor Lighting Council
• Peters Creek Watershed Assn.
• Raccoon Creek Watershed Assn.
• Regional Water Management Task Force (University of Pittsburgh)
• Streets Run Watershed Assn.
• Stormwater Journal
• Three Rivers Wet Weather Demonstration Program
• Turtle Creek Watershed Assn.
• Western PA Conservancy

Energy/Sustainability

• Green Building Alliance
• Sustainable Pittsburgh