It’s not just the lodgepole pines that are dying in the Colorado mountains. Thirteen percent of aspen trees in the state are now affected by Sudden Aspen Decline, which is caused by disease and ...

The first case of aspen running canker in the territory was confirmed by field crews from Wilfrid Laurier University and the N.W.T. forest health surveys last year. Tamara Merritt has more. Jenny ...

It is the season of envy in Colorado. The all-too-brief time of year when we admire our forests in their finest states — awash in gold. It is, of course, aspen putting on the dazzling displays. This ...