Foresters are calling it the most destructive tree pest to ever invade North America, and its march of devastation continues. Emerald ash borer has now spread to 35 states, killing hundreds of ...

Looking at big, mature trees, you may not think that their trunks sway much in the wind. They do to a certain extent, however … enough so that electronic measurement of the swaying motion can be used ...

Guardamar del Segura marks Tree Day with tree planting, family activities and environmental events from late January to early ...