Print View

They took all the trees
Put 'em in a tree museum
And they charged the people
A dollar and a half just to see 'em

Big Yellow Taxi: Joni Mitchell

 The presence of trees in urban areas evokes a multiplicity of responses, ranging from deep concern and annoyance to feelings of joy and contentment. There are now many studies that provide compelling scientific evidence that urban trees provide a large number of 'ecosystem services' for our communities.

Here we review some of the persuasive evidence as to why we need urban trees.