Scientists are increasingly alarmed that global warming has removed any control that bitterly cold winters once had over the mountain pine beetle, which co-evolved with pine trees over millennia in the West.
This is umpteen article I’ve posted on the mountain pine beetle. I think the beetle, drought, heat and fire are doing just what we would expect in a warming world, reduce the acreage covered by forests in the northerly and high elevation regions of the Earth.
I am still waiting for the explosion when the B.C. or Alberta beetle kill catches on fire. It covers many thousands of square miles.
Read “Insect Insurrection” by Brodie Farquhar. Casper Star Tribune.