Trees in urban residential areas seem to be more prone to damage because of an increase in windstorms and because of maintenance work, which has weakened trees.
Scientists say the grass carp population in the Chambly Basin is probably small, but the presence of this species in any number is bad news.
A group of scientists says beech trees are dominating the woodlands of the northeastern United States as the climate changes, and that could be bad news for the forests.
All Topics
All Countries
Any Date
Apply