This causes perhaps a bit of unease, but according to this L.A. Times article, trees out West are fading fast.
Methinks we need more trees, not less. Those pesky bark beetles, among other factors, are partially to blame.
Of course, if you're dodging those lovely tall green things on the slopes, there might not seem to be any tree trouble. Haven't really noticed fewer trees out here in Utah...but what's the tree situation in Colorado these days, as far as y'all can see?