Pennsylvania

The public image of Pittsburgh is of a dirty, industrial city, but the city has been at the forefront of sustainability for some time.

Architecture critic Inga Saffron takes a look at what she thinks is "the most innovative take on the traditional rowhouse that Philadelphia has seen in years." Saffron remarks on how the building obeys the rules and innovates at the same time.

The city of Toronto's public transit system has been plagued by dysfunctional service and rider complaints. Officials are looking to Philadelphia for lessons on improving their troubled system.

Long commute + High Fuel Costs = Home Losses in Exurbs.

Bicycling and walking advocates should also be happy about the new TIGER grants - almost half of the funded projects included funding for bike and ped infrastructure.

Plans to create a waterfront rail line in Philadelphia are moving forward, as the city approves funding for environmental studies and early design work.

Bob Herbert asks, 'What's wrong with us?' in this editorial on America's crumbling infrastructure and the uphill battle to get it fixed.

Other cities have opened up tall buildings to the public; Pittsburgh envisions doing the same with US Steel, which has a 1-acre flat roof.

An unused right-of-way between Lansdale, PA and Bethlehem is being contested between those that want to return it to passenger rail service and those that want to turn it into a linear park.

Transportation has been called the glue that hold cities together. This oped argues that Philadelphia's waterfront is sorely missing that glue.

A new study for Pittsburgh says that the city could save $1 million a year in energy costs and $700,000 in maintenance if they make the switch to LEDs.

Pittburgh's Mellon Arena, known to locals as "The Igloo," is facing an unsure fate. Preservationists want to save the structure, but others imagine demolishing it and replacing with a new neighborhood.

Pittsburgh, Pennsylvania, has seen some dramatic decline over the past half century. Michael A. Stern, ASLA, LEED AP takes a look at the last 20 years of the city as it begins to rebound.

A group of green architects in Philadelphia are creating new ways to use pre-fabricated elements, using digital design to distance them from the prefab of yore.

Vandergrift, PA was a company town designed by Frederick Law Olmsted in 1895. Today, the town is looking back to Olmsted's original plan to improve the town's sustainability.

Some say the greater Pittsburgh area needs to think more "regionally". This piece from Pop City argues it already is.

For the first time in 59 years, the population of Philadelphia increased in 2008, according to revised figures from the U.S. Census Bureau.

The Infrastructurist talks with Pennsylvania Governor Ed Rendell -- "a friend of infrastructure" -- about the proposed National Infrastructure Bank.

A Philly street once dubbed the "Skid Row" of Fishtown has been transformed by a handful of determined residents through years of painting, sweeping and fixing broken windows.