SALEM, Ore. — For centuries, a massive white oak has stood on Marion Street Northeast, watching Salem grow up around it. Once alone in a valley, the tree now towers over sidewalks, streets, and homes, ...
Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists recently discovered. But a special fungus can help the trees circumvent this ...
Work to remove diseased ash trees will start next month in a second Walton-le-Dale park.