Forests Under Attack

S1, E3: York University's Dr. Dawn Bazely examines the invasive species that are threatening our forests, and as a result, our very existence. The Asian Long Horned Beetle and Emerald Ash Borer have been the cause of death for billions of trees all across midwest America and the eastern seaboard. The Mountain Pine Beetle has killed approximately 50% of the total volume of pine trees in British Columbia.