THERE'S nothing like healthy academic combat. In the corridors of Adelaide University, two respected professors on opposite sides of the climate change debate are pushing their theories on the subject, sparked by a new book that has sceptics rubbing their hands with glee.
Outspoken academic geologist Ian Plimer yesterday launched Heaven and Earth: Global Warming the Missing Science, concluding that scientific modelling had placed too much emphasis on the level of carbon dioxide in the atmosphere and global warming should not be blamed on increased human activity.
Speaking after the launch yesterday, Professor Plimer accused high-profile climate change advocates such as former US vice-president Al Gore of "scaring people witless" with theories about the world ending.
He also said 2007 Australian of the Year Tim Flannery pushed a "political line" and had considered only a "small body of evidence" when studying global warming.
Many scientists, he said, had not considered the history of the earth when discussing climate change, or factors including the earth's rotation, changing tides and solar winds.
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