The roots of that big tree in your yard may be infiltrating your underground plumbing right now. If the species is shallow-rooted, it's even more likely.

You probably aren’t watering or pruning the 75-foot oak or maple in the front yard, but mature trees aren’t maintenance free.

One certified arborist in York County says pruning trees is an "art form", helping to make sure the trees look good and can withstand wind, ice, and snow.

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Deep in the heart of Crete, where myth intertwines with ...