We don’t often think about the roots of trees until there is a problem. A forester friend of mine called it a “fencepost mentality.” Being underground, they are often out of sight out of mind. However ...

A plant’s root system has a profound effect on its overall health. Look at the roots of a sick, struggling plant, and you will often see a sick, struggling root system. While plants may tolerate ...

Melissa Breyer was Treehugger’s senior editorial director before moving to Martha Stewart. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, ...