All plants go through periods of dormancy. Learn how to tell if your plants are going dormant, dying, or dead.

They may look like your average tree, but "zombie trees" pose an immediate threat to people. Richard Hamelin, a professor of forestry at the University of British Columbia (UBC), says the rotting ...

A study is looking into why birch trees are dying off in the prairies and British Columbia, but a researcher says they can be saved. Natural Resources Canada started the study in 2008 to focus on the ...

A homeowner in Orleans is worried ash trees in the city might fall to chainsaws before they've even been infested by the emerald ash borer. The city has been waging a war against the invasive beetle ...