THE remarkable weather extremes of the past decade, including this year's Queensland and Victorian floods, were not caused by global warming, according to one of Australia's most eminent climate scientists.
Speaking at a major international earth science conference in Melbourne, Professor Neville Nicholls said such extremes as the heat wave in Victoria that accompanied the Black Saturday bushfires, similar heat in Pakistan and Russia, and the devastating tornados that have ripped through parts of the US this year are, in many cases, unprecedented in modern times.
But global warming couldn't be blamed, he said.
"Whenever these things happen people ask 'was it caused by global warming?'," Prof Nicholls told the International Union of Geodesy and Geophysics conference.
"The short answer is no.