Pining for a cold winterOVER the past 14 years, a tiny insect no bigger than a grain of rice has laid waste a swathe of British Columbia's forests so vast that the rust-red wasteland is visible from space. The mountain pine beetle has infested and killed over half the lodgepole pine forest in the centre of the province--an area larger than England. It has rampaged eastwards into northern Alberta for the first time. (It has also made localised attacks on forests in all 11 western American states....
