Toronto Star: The rapidly warming Arctic may be behind persistent weather patterns half a world away, including our polar-vortex winter, the U.K.s relentless rain, and droughts in the American southwest, according to a controversial new theory.
Persistent weather isnt just annoying, as the months-long, life-numbing chill has been. It can also be destructive.
If it doesnt rain for a few days, no big deal. But if it goes on for weeks, it becomes a big deal, said Jennifer Francis, a Rutgers University...