They've devised a multi-pronged approach using three advanced scientific strategies: breeding, biotechnology, and biocontrol. Experts change how they will reintroduce endangered trees first appeared ...

The Center City District is investing big in its Open Streets initiative with 20 car-free dates scheduled for 2026. The program, which closes off select neighborhood blocks to vehicles, will return ...

WASHINGTON (AP) — Billions of American chestnut trees once covered the eastern United States. They soared in height, producing so many nuts that sellers moved them by train car. Every Christmas, ...