Neighbors in Pittsburgh’s Brookline neighborhood tell Channel 11 News they were caught off guard after trees at a popular ...

The City of Erie celebrated Arbor Day by planting a Black Gum Tupelo tree in East Perry Square. The tree honors Erie's ecological past while also acknowledging the challenges we could face in the ...

Ohio and Pennsylvania programs aim to stop the spread of the invasive Callery pear tree, which has taken over the two states ...

If you're thinking of adding a street tree out front, Penn State urban forester Vincent Cotrone has some recommendations.