running hot and cold

Australia is in the grip of a nationwide cold snap – and paradoxically, it could be another result of global warming. But Grant Beard of the Bureau of Meteorology’s National Climate Centre said global warming could in fact be driving down overnight winter temperatures.

The cold spell, he explained, was being fuelled by the high pressure systems that increasingly dominate southern areas of Australia during autumn and early winter.Sydney Morning Herald, 3 Jul 2006