The Lewis and Clark Expedition Began in Pittsburgh. And Soon the Historic Trail Might, Too.
The Lewis and Clark National Historic Trail begins in Illinois, but now there’s a proposal to extend it eastward, to Pittsburgh.
Kara Holsopple
Please Don’t Buy Japanese Barberry. Forests Will Thank You.
Banned in some states, this popular ornamental shrub is causing big problems in Pennsylvania's forests.
Where are the Trees Going in Allegheny County?
Allegheny County isn’t as green as it used to be. In the last five years, 11,044 acres of trees were lost. The nonprofit Tree Pittsburgh is trying to figure out why.
Pittsburgh Competes in International Nature Challenge. Science Wins
Cities from Miami to Mumbai participated in the City Nature Challenge. Pittsburgh placed 26th -- not too shabby for its first year as a competitor.
Study: Songbird that Needs Clean Streams Threatened by Fracking
We've known almost nothing about how the fracking boom is affecting our region's songbird populations -- until now.
Little Eggs, High Winds and Waves: A Piping Plover Rescue Story
These little shorebirds are an endangered species in the Great Lakes region. But they’re making a comeback thanks to conservation efforts and even some heroics.
Filmmakers Highlight Plight of Cook Forest’s Iconic Hemlocks
Filmmakers combine sentiment with action to fight the hemlock woolly adelgid that threatens the old-growth hemlocks of Cook Forest State Park.
Birds Take Center Stage at a New Observatory at Presque Isle
The Erie Bird Observatory will continue the long-running bird banding program at Presque Isle. One of the founders, Mary Birdsong, says studying birds is the first step to learn and appreciate the natural world.
Fish, Birds and Mussels Get Their Own Business Plan in Pennsylvania
Western Pennsylvania has rich biodiversity and large chunks of forests, but looming threats. A new effort will prioritize funding to save wildlife like brook trout and golden-winged warblers in key regions to restore forests and waterways.
The Nun With a “Green Habit”
A life of serving the poor, teaching and making sure no one uses more than one paper towel.
