I was familiar with Arbor Day, the national celebration of trees that falls on the last Friday in April. Yes, but: I didn't ...

Following a devastating hurricane season, Duke Energy Florida is giving away 1,000 free trees to its customers as part of its ongoing collaboration with the Arbor Day Foundation.

A national tree canopy assessment tool is now available for the first time, making it possible for cities to view the status of their local and regional tree canopy and how it’s changed over time.

Old trees may have grown through entire millennia that were wetter than the past 20 years. We are scientists who study forest dynamics, plant ecology and plant physiology. In a recent study, we found ...