In any event, recent British Columbian winters have not been cold enough to kill the beetles.

ECONOMIST: Pining for a cold winter

"They were believed to be spreading because the winter was not cold enough to kill them, and that's destroying forests, " he said.

CNN: Ice melting across globe at accelerating rate, NASA says

"When you have people taken hostage in such large numbers by terrorists with such cold determination and ready to kill those hostages - as they did - Algeria has an approach which to me, as I see it, is the most appropriate because there could be no negotiation, " he told journalists.

BBC: Algeria crisis: Captors and hostages die in assault