Last fall nearly 20 Calvin biology students went sleuthing on campus, meter sticks, notebooks and GPS devices in hand. The goal? To document every tree of at least five inches in diameter on the west ...

Scientists from NASA's Goddard Space Flight Center in Greenbelt, Maryland, and international collaborators demonstrated a new method for mapping the location and size of trees growing outside of ...

The global extent and distribution of forest trees is central to our understanding of the terrestrial biosphere. We provide the first spatially continuous map of forest tree density at a global scale.

Your donation today will help MinnPost continue to report on the news you need. There’s a simple pleasure to walking through a neighborhood lined with big-leafy trees that shade the sidewalk, rustle ...