• Chief Investigator ARC Centre of Excellence for Climate Extremes and Professor Climate Change Research Centre, UNSW
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Yes, a few climate models give unexpected predictions – but the technology remains a powerful tool

An article in the eminent US magazine Science has triggered debate over whether scientists should use climate models. Here’s what you should know about climate models ahead of today’s IPCC report.
Australia’s weather records need careful analysis to correct any introduced errors. Photographic Collection from Australia/Wikimedia Commons

No, the Bureau of Meteorology is not fiddling its weather data

Over the past week or so, the Bureau of Meteorology has stood accused of fudging its temperature data records to emphasise warming, in a series of articles in The Australian. The accusation hinges on the…
There is still scientific work to do on attributing specific events to climate change, but we know enough to make policy decisions. DeGust/Flickr

IPCC Fifth Assessment Report: more certainty, not much news

The part of Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report, dealing with the physical basis of climate change, has now been released. The report - released today in Stockholm…
Attributing heavy precipitation to climate change isn’t that easy. LordKhan/Flickr

The blame for rain is mainly done in vain

As a climate scientist, it seems for every extreme event - be it the recent hottest 12 months on record for Australia or the floods and heavy rains of 2011 and 2012 - one question is inevitably asked…

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