Well, the well-reported emerald ash-borer threatens our cooling urban canopy.
But what can be done?
I love when "biodiversity" is the answer.
A quick announcement and plug for a tree conference. It's a Friday full of lectures from people who know more about it that perhaps anyone else. These folks are really the creme de la creme of tree fanatics in America.
It's going to be a smallish thing, so $60 is a steal to learn from these unmatchable individuals and rub shoulders with them.
Click for details:
Tree Diversity Conference 2014, at the University of Denver
Hey- I'm going for the food.