Category: Tree City USA
Arborists from across the world come to Portland August 11-12
This year’s biggest world-wide tree event is happening right here in Portland, Oregon, on August 11 and 12, at Laurelhurst Park! Watch the
The value of city trees to wildlife and people
By Neva Knott Wildlife fare better in the city when trees provide food and shelter for them. Salmon swim our creeks on the way to the big
How city trees cool & clean our air
By Neva Knott “Trees breathe carbon dioxide, a greenhouse gas, most of which comes from vehicles. Other particulate matter is emitted into
A hot topic: trees in our cities
City trees are a hot topic today, in more ways than one. “We can cool down temperatures in cities over the period of a decade or two by
Just say NO to topping
By Kris Day Topping is the absolute worst action you can take under the guise of “caring” for a tree. What exactly is “topping?” In a