TANNERSVILLE — Marc Wolf steps off a trail at the Mountaintop Arboretum to examine a beech tree with mottled ... The white ash, as well as less common varieties of ash found in the Catskills ...

A volcano in the central Philippines erupted early Tuesday morning, sending a massive grey plume of ash up about three kilometers (1.8 miles) into the sky and launching ballistic projectiles.

Thousands of dangerous ash trees suffering from a deadly disease that pose a risk to public safety will be felled or made safe after Bristol city councillors agreed £2.8million of urgent works.

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient populations. Port Orford cedar trees in Redwood National Park that were ...

Early signs are showing the arrival of emerald ash borer in Willmar, where it's estimated that one quarter or more of the urban forest is comprised of susceptible ash species. Staff with the ...

A volcano in the central Philippines erupted early on Tuesday morning, sending a massive gray plume of ash up about 3 km into the sky and launching ballistic projectiles. Kanlaon Volcano, one of 24 ...

A volcano in central Philippines erupted on Tuesday, spewing a 4.5-kilometre (2.8-mile) ash plume and debris into the sky as its rumblings were heard nearby. The Philippine Institute of ...

Aviation authorities warned pilots against flying near Bulusan’s summit, as volcanic ash could pose serious hazards to aircraft. The Philippine Institute of Volcanology and Seismology (Phivolcs ...

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Though small and hardly visible to the naked eye, the Emerald Ash Borer beetle has had a significant impact on Wisconsin, damaging and killing trees and destabilizing the state’s natural environment.