Trees are instrumental to the quality and health of our lives, our homes, and our planet. Dan Lambe is the Chief Executive of the Arbor Day Foundation, an organization founded in 1972. Under Dan’s ...

Scroll down for a transcription of this episode. Trees aren’t just competing for sunlight and soil—they’re also looking out for one another. Scientist Suzanne Simard reveals the unexpected ways trees ...

Trees have long been appreciated for adding beauty, shade and a sense of refuge to our cities. Urban street trees offer a host of ecological benefits, too: combating the heat island effect and ...