How a 'biological weapon' can save forests in Siberia & North America (VIDEO)

Wildfires are not the only serious threat to pine forests across our planet. Bark beetle outbreaks in North America and Siberia have ravaged natural forests so extensively that in some areas the tree death toll has neared 100%. Scientists from the University of Tyumen have come up with a solution that may surprise you: to use microscopic mites as a sort of natural, “biological weapon.”