The sound of the wind gently whispering through tree leaves during the winter might make you think you've traveled back in time by a couple of months. Why are dried, dead leaves clinging to the ...

From Philly and the Pa. suburbs to South Jersey and Delaware, what would you like WHYY News to cover? Let us know! Arborists are encouraging homeowners to prepare their trees for winter storms, heavy ...

Joe Stavish, Tree Pittsburgh’s education director, often takes to social media to teach people about trees. On an early December morning, about a dozen people joined him in person to learn to identify ...