We have a problem with our aspen trees. Nearly all of them are sapping quite a bit and are also splitting down the sides. We live at 6,100 feet in Paonia. Last summer the leaves were mottled. Any ...

JACKSON - In Wyoming, state forester Bill Crapser said aspen stands, like those in other Western states, are declining as well. "It's partially because as aspen stands get older, conifers take over ...

For 30 years, Aspen has held the title of Tree City USA, one granted by the Arbor Day Foundation to communities that meet four requirements: The city must maintain a tree board or department, meaning ...