Pennsylvania

The Commonwealth of Pennsylvania is a state located in the Northeastern and Middle Atlantic regions of the USA. Pennsylvania has 51 miles of coastline along Lake Erie and 57 miles of shoreline along the Delaware Estuary. 
=== Places, projects and networks ===
Philadelphia is Pennsylvania's largest city and is home to a major seaport and shipyards on the Delaware River.
:*PennFuture - Citizens for Pennsylvania's Future
:*Sustainable Pittsburgh
:*The Alliance for a Sustainable Future, Greater Philadelphia Metropolitan area
:*Pennsylvania Environmental Council
Category:USA states