Despite the trees' resilience and speedy recovery, researchers found a decline in young aspens reaching ... and take in the vibrant fall colors of the aspen trees. Discover Flagstaff, the city ...

Populus tremuloides, the quaking aspen of the North American continent, stands as one of the most easily recognized, most beautiful and most admired of all tree species. In order to help ...

Aspen residents can recycle their Christmas trees for free through a city program in partnership with Aspen Tree Service. The initiative, which has been in place for over five years, continues to ...