CBC: Scientists are investigating how climate change may be influencing a spruce budworm outbreak in Quebecs forests.
An area the size of Belgium on Quebecs North Shore is now affected by the highly destructive insect, which feeds on the young needles of white, red and black spruce and balsam ?r trees.
Spruce budworm populations go through cyclical fluctuations and reach outbreak proportions once every 30 to 40 years, leading to widespread defoliation and massive losses for the forest industry....