From Britain to Beijing, folks have been shivering their way through a remarkably cold and snowy winter. Meanwhile, in parts of the Arctic, it’s downright balmy — though still below freezing. What’s behind all this unusual weather? It’s the Arctic Oscillation — and it’s gone negative.

This entry was posted on Saturday, January 16th, 2010 at 4:40 pm and is filed under Enviroment. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.