For lovers of the stately pine forests of the Northeast, sightings of a destructive tree-eating beetle in recent years have been nothing short of alarming.
Now, new research from climatologists at Columbia University confirms what ecologists feared: Warmer winters mean the southern pine beetle is here to stay, and is set to march ever northward as temperatures rise.
Historically, the tiny beetles, which starve evergreens to death, were largely unheard-of north of Delaware. The Northeast’s cold winters killed off any intruders.
The winters are no longer cold enough.
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